17.1(top 1%)
impact factor
226.8K(top 0.1%)
papers
5.5M(top 0.1%)
citations
845(top 0.1%)
h-index
18.2(top 1%)
extended IF
295.8K
all documents
5.7M
doc citations
1.4K(top 0.1%)
g-index

Top Institutions (by citations)

#InstitutionArticlesCitationsR ARankR CRank
1University of California1,309183,6205217
2National Institutes of Health677168,2082710
3University of Washington760158,702135
4Harvard University475126,519258
5Johns Hopkins University496115,570206
6University of Toronto402113,249505
7University of Pennsylvania56787,843248
8Northwestern University37872,662247
9University of California, San Francisco31570,650165
10University of Pittsburgh33769,228284
11Columbia University30067,1595813
12McMaster University21162,803384
13University of Michigan39262,2254411
14National Center for Health Statistics6061,36141
15Massachusetts General Hospital39959,9453916
16Stanford University34159,9145422
17University of California, Los Angeles23258,293175
18Mayo Clinic32657,2755710
19American Medical Association32256,86211
20University of Alabama at Birmingham22553,181243
21University of Minnesota27551,6066612
22National Heart, Lung, and Blood Institute10346,644254
23University of Texas Southwestern Medical Center23744,701299
24Cleveland Clinic16444,384756
25University of North Carolina19242,822299
26Emory University18241,452316
27Duke University20941,409295
28Memorial Sloan Kettering Cancer Center14640,6997624
29Brown University17740,595294
30University of Iowa15840,146576
31Washington University School of Medicine15438,4378919
32Case Western Reserve University13838,312576
33Vanderbilt University8737,098816
34Yale University16435,5546917
35University College London7134,95535923
36University of Chicago32834,8043930
37University of California, San Diego10934,62910316
38Tufts University12732,780185
39University of Southern California16632,307597
40Boston University19330,736278
41Duke University Hospital20130,4004417
42University of North Carolina at Chapel Hill20730,116198
43Virginia Commonwealth University17430,053112
44Medical University of South Carolina8928,360683
45Beth Israel Deaconess Medical Center24028,2341712
46Centers for Disease Control and Prevention19927,29364
47University of British Columbia12827,14315617
48Baylor College of Medicine21726,4326525
49Ohio State University10326,16418920
50Alpert Medical School7725,870111
51University of Rochester14024,2676612
52Kaiser Permanente6423,10041
53University of Oxford12822,39822469
54University of Amsterdam5822,09427013
55University of Texas MD Anderson Cancer Center8221,89812623
56Johns Hopkins Bloomberg School of Public Health21021,686124
57Medical College of Wisconsin11721,123459
58Mayo Clinic College of Medicine and Science4120,996513
59University of Florida8720,97528516
60Karolinska Institute7520,94229928
61University of Miami9720,659577
62University of Wisconsin–Madison14620,65019352
63The Feinstein Institute for Medical Research820,188671
64University of Alabama7120,143418
65University of Colorado Denver7320,024172
66Zhongnan Hospital of Wuhan University520,0032122
67University of Calgary7919,8281399
68New York State Psychiatric Institute4019,732393
69University of Ottawa7519,693919
70Michigan Medicine19719,5132418
71Imperial College London7319,36038848
72McGill University8219,08525933
73Weill Cornell Medicine13518,7714319
74University of Texas at Austin13517,80416759
75Wake Forest School of Medicine5417,776482
76University of Melbourne6316,94139724
77Fred Hutchinson Cancer Research Center6416,7926519
78University of Utah10316,75510827
79University of Sydney9416,63523225
80Donald and Barbara Zucker School of Medicine at Hofstra/Northwell216,5782221
81Johns Hopkins School of Medicine11516,5713211
82Kaiser Permanente Washington Health Research Institute8716,52611
83Tulane University4616,470565
84Thomas Jefferson University7316,1761058
85Cornell University6616,11234358
86University of Virginia11215,8647717
87University of Maryland8715,56120443
88Georgetown University12115,40283
89University of Texas Health Science Center at San Antonio4915,363739
90Columbia University Irving Medical Center9315,316368
91Monash University7115,26123115
92University of Arizona8215,12518835
93University of Alberta7714,92128026
94Eunice Kennedy Shriver National Institute of Child Health and Human Development7114,5713915
95Wayne State University5614,55510510
96St. Michael's Hospital7814,443204
97Leiden University Medical Center5314,37718620
98University of Tennessee Health Science Center4614,368342
99Vanderbilt University Medical Center10613,823428
100University Medical Center Utrecht6413,79611914
101Northwell Health4113,793161
102University of South Carolina2713,7743307
103Erasmus MC6813,55910317
104Albert Einstein College of Medicine8913,4766527
105Uppsala University3613,47149533
106World Health Organization4013,3996613
107University of Copenhagen4213,39456739
108University of Pittsburgh Medical Center7513,391412
109University of Cambridge5413,342639125
110University of Missouri6813,30211913
111University of Hawaii8112,919389
112University of Hong Kong2812,80358420
113Oregon Health & Science University9012,7385520
114Université de Montréal3712,51038421
115Chinese University of Hong Kong2212,49065819
116King's College London5812,38421135
117Rutgers University5011,78326031
118Henry Ford Health System4511,713252
119University of Turin1911,66869213
120Leipzig University2311,5113487
121Brigham and Women's Hospital16411,485611
122Yeshiva University8811,41267
123Rush University4011,31993
124Ottawa Hospital Research Institute3211,176298
125Temple University5711,143577
126New York University8811,1429246
127Academic Medical Center3811,0698812
128Tufts Medical Center5411,043267
129University of Bristol4710,98636052
130Copenhagen University Hospital3210,672694
131University of Birmingham4010,35546837
132University Health Network4310,29810611
133University of Colorado7110,13715147
134RAND Corporation11210,13053
135University of Illinois at Chicago4610,1161719
136University at Buffalo3910,10725319
137University of Texas Health Science Center at Houston819,9302012
138Group Health Cooperative539,85011
139Michigan State University389,42652957
140University of New South Wales559,36333447
141National Institute of Allergy and Infectious Diseases779,3226239
142University of Tennessee269,30246221
143Children's Hospital of Philadelphia889,2336522
144Baylor University149,1961534
145Technical University of Munich229,16976054
145Pennsylvania State University489,16954294
147University of Texas Medical Branch1069,1565724
148University of Groningen349,13948345
149University of New Mexico509,1159516
150French National Institute of Health and Medical Research419,09326444
151Vrije Universiteit Amsterdam318,95727420
152University of Bern278,84946135
152National Institute on Aging328,8496121
154Virginia Tech Carilion School of Medicine and Research Institute558,83911
155Framingham Heart Study178,70924
156Anschutz Medical Campus438,67310023
157Nationwide Children's Hospital418,649331
158RTI International558,571123
159Autonomous University of Barcelona168,50868517
159Loyola University Chicago188,508974
161University of Manitoba498,42217617
162Cincinnati Children's Hospital Medical Center358,40413514
163Sunnybrook Health Sciences Centre308,398511
164University of York218,34938532
165University of Vermont478,3386314
166Heidelberg University198,30488272
167East Carolina University168,2431571
168Tel Aviv University248,22186246
169Partners HealthCare128,18751
170San Francisco General Hospital668,12174
171University of Edinburgh458,085489104
172Denver Health Medical Center198,078312
173University of Helsinki398,02346753
174Medical University of Vienna197,94646736
175University of South Florida417,91516323
176University of Milan287,91266843
177University of Oslo167,73499437
178University of Leicester207,71041025
178VU University Medical Center247,71018521
180University of Zurich287,68952370
181The Alfred Hospital227,663716
182Indiana University Bloomington197,529587
183Howard University137,4511201
184National Institute of Mental Health357,37612444
185State University of New York537,30419641
186University of São Paulo257,1791.6K44
187University of Texas System667,1704725
188Assistance Publique – Hôpitaux de Paris407,13012216
189Marshfield Clinic267,112142
190United States Army Medical Research Institute of Infectious Diseases147,089282
191University of Queensland337,072844101
192University of Warwick257,05641434
193University of Washington Tacoma16,9951121
194University of Connecticut296,94733923
195University of Rochester Medical Center356,9078419
196Karolinska University Hospital226,79235940
197Ministry of Health196,75028616
198Leonard M. Miller School of Medicine456,68114831
199National Center for Immunization and Respiratory Diseases296,61262
200University of Cologne166,58267739
201University of Bologna116,5571.7K49
202Finnish Institute for Health and Welfare136,555925
203Brigham Young University26,4902.3K9
204Milan Polyclinic176,4561054
205California Pacific Medical Center106,381705
206Western University356,356523
207University of Barcelona196,31881658
208University of Texas at San Antonio196,254884
209Maastricht University236,23533334
210Hospital Israelita Albert Einstein136,195402
211Royal Brompton Hospital106,18812813
212University of Glasgow326,14947477
213Walter Reed Army Institute of Research476,1423213
214University of London156,0901.2K50
215Veterans Health Administration686,0582617
216George Institute for Global Health386,035253
217Indiana University375,97133081
218University of Gothenburg235,87461280
219Complutense University of Madrid105,8701.4K26
220Lund University305,868688108
220New York State Department of Health315,868428
222University of Turku165,84849821
223University Hospital Zurich195,83422529
224Hamilton Health Sciences135,833204
225Georgetown University Medical Center425,8232610
226Université catholique de Louvain145,79862837
227University of Southampton225,75067271
228National Institute on Drug Abuse445,7132112
229State University of New York Upstate Medical University315,694648
230University of Massachusetts325,69129352
231Drexel University215,55817620
232Università degli Studi di Milano Bicocca75,5563184
233Capital Medical University115,52476210
234Sahlgrenska University Hospital275,52120627
235Wake Forest University425,491358
235Norwegian Institute of Public Health175,491705
237Hospital Clinic of Barcelona245,47213327
238University of Liverpool285,43253562
239University Medical Center Groningen255,39526331
240Laval University175,37266441
241Paris Descartes University285,37114125
242Pennington Biomedical Research Center45,295723
243Université libre de Bruxelles165,27746745
244Istituto Superiore di Sanità95,27341914
245University of Western Australia255,21651557
246University of North Texas25,1152.0K5
247University of Cincinnati295,10532753
248University of Mississippi Medical Center275,10011810
249Sapienza University of Rome125,0731.4K48
250Carnegie Mellon University235,058425116
251Hospital Universitario de Getafe34,9801152
252Stony Brook University384,95916859
253University Hospital of Basel174,94715716
254Wilford Hall Medical Center44,8771091
255Huazhong University of Science and Technology94,8521.7K78
256Food and Drug Administration1154,84536
257Tongji Medical College84,82876418
258Auckland City Hospital204,817486
259Google44,802678
260Austin Hospital124,758704
261VA Boston Healthcare System314,746101
262Herlev Hospital94,7351549
263United States Department of Health and Human Services184,70411
264University of Manchester214,6761.2K175
265University of Louisville254,64620327
266Seoul National University74,5972.5K105
267The Rockefeller University264,57816791
268National Taiwan University114,5441.4K80
269Addenbrooke's Hospital84,54247649
270Canberra Hospital64,488722
271Lausanne University Hospital184,48715920
272Federal University of São Paulo84,46675314
273Maastricht University Medical Centre174,43422616
274Loyola University Medical Center164,3841204
275Royal Prince Alfred Hospital124,37518511
276American Cancer Society224,3191711
277Boston Medical Center434,3173018
278University of Nebraska Medical Center514,3088032
279Creighton University294,271338
280University of Campania "Luigi Vanvitelli"84,26743515
281University of Jena54,2641.1K23
282University of California, Irvine224,25817642
283Jena University Hospital104,225753
284Public Health England54,1761989
285University of Bergen144,15863947
286Policlinico Umberto I34,1391831
287University of Minnesota Twin Cities174,12793
288AIDS Research Consortium of Atlanta84,10221
289National Institute of Diabetes and Digestive and Kidney Diseases144,0765414
290Rhode Island Hospital174,07310917
291Cooper Union24,064471
292Aarhus University Hospital274,05520546
293National University of Singapore194,0541.2K211
294University of Wisconsin School of Medicine and Public Health334,0534517
295Turku University Hospital114,0411775
296Newcastle University184,03264375
297George Mason University453,9973721
298Leiden University143,98964274
299University Medical Center193,98732446
300National Centre for Infectious Diseases53,982131
301University of Texas at Dallas113,97738933
302Utrecht University223,962847195
303Tianjin Medical University Cancer Institute and Hospital23,9032883
304Katholieke Universiteit Leuven183,9011.1K155
305Chinese Center for Disease Control and Prevention13,8761773
306Goethe University Frankfurt93,87377943
307Rush University Medical Center393,8668033
308University of Hawaii at Manoa233,8519324
309Patient-Centered Outcomes Research Institute113,84021
310Cambridge Hospital163,82311
311University of Tokyo133,8012.9K396
312Massachusetts Institute of Technology193,7931.1K399
313McGill University Health Centre163,79228747
314Children's Healthcare of Atlanta133,790533
315Washington Hospital Center103,7617510
316Henan Provincial People's Hospital23,7562421
317Rigshospitalet33,7341042
318Yonsei University153,7261.3K86
319University of Adelaide263,70847495
320Morton Plant Hospital23,69561
321University of Exeter123,67368958
322American Heart Association133,66193
323Saint Louis University243,654687
324Albany Medical Center233,6537111
325St. Jude Children's Research Hospital253,64812360
326University of Padua133,6041.5K119
327The Fifth People's Hospital of Anyang13,59311
328Helsinki University Central Hospital123,58738657
329University of Milan-Bicocca23,5825312
330Wageningen University & Research103,563888167
331University of Leeds183,561996162
332UC San Diego School of Medicine163,535215
333Charles University133,52280834
334Regions Hospital153,516102
335Dartmouth College283,50510247
336University of Arkansas for Medical Sciences343,50412333
336Huntsman Cancer Institute73,50412213
338University of Kentucky233,49759190
339Ottawa Civic Hospital63,488371
340University of Cape Town153,47360163
341Toronto General Hospital113,45614519
342Norwegian University of Science and Technology103,45286551
343Geisinger Health System123,405153
344Aurora St. Luke's Medical Center23,388291
345Allegheny General Hospital113,378705
346George Washington University593,3725838
347Hospices Civils de Lyon173,370628
348Sungkyunkwan University103,3551.3K81
349Statens Serum Institut253,3543419
350Necker–Enfants Malades Hospital83,33316617
351Erasmus Hospital63,29514111
352Queen's University Belfast163,27741146
353University of Lausanne123,24552383
354University of Auckland153,24085595
355Women's and Children's Hospital53,2121043
356University of Hamburg83,1971.0K68
357Seattle Children's143,1881237
358Pierre and Marie Curie University53,1751.1K71
359University Medical Center Freiburg93,16913614
360Hospital de Sant Pau83,1521795
361Uniformed Services University of the Health Sciences363,1086523
362San Francisco VA Medical Center243,09374
363University of California, Berkeley293,086334197
364Hartford Hospital133,0597310
365Centers for Medicare and Medicaid Services193,05632
366Children's Mercy Hospital113,053624
367Harbor–UCLA Medical Center353,049147
368Memorial University of Newfoundland73,02274721
369University of Georgia163,0211.1K185
370Peking University63,0182.4K178
371H. Lee Moffitt Cancer Center & Research Institute92,99010816
372University of Chicago Medical Center302,9592414
373Hospital Sírio-Libanês32,956771
374Louisiana State University System72,955243
375University of Aberdeen122,896771105
376Emmes Corporation152,883167
377Royal Melbourne Hospital122,88217828
378Aarhus University192,867816178
379Montreal Heart Institute102,8546917
380Royal Adelaide Hospital112,84215715
381American College of Surgeons122,839195
382University of Iowa Hospitals and Clinics212,8247210
383University of Tampere52,81191330
384Great Ormond Street Hospital212,80915649
385University of Connecticut Health Center292,8079743
386University of Basel162,806483114
387Odense University Hospital132,78126836
388Queen Elizabeth Hospital82,77425623
389San Raffaele Hospital12,7695103
390Louisiana State University122,76691780
391Minneapolis Veterans Affairs Health Care System142,742102
392Kyoto University62,7373.5K369
393Cohen Children's Medical Center32,735171
394University of Nottingham162,7301.1K200
395Marshall University32,7231872
395Jimma University32,7232084
397Novo Nordisk82,71413012
398Umeå University122,710718118
399University of Ferrara102,70842026
400National Human Genome Research Institute242,7034942
401Cardiovascular Research Foundation72,695178
402Peking Union Medical College202,69148168
403Aalborg University142,68732252
404Colorado School of Public Health122,68052
405Rainbow Babies & Children's Hospital72,677402
406University of Montpellier72,66651924
407Johns Hopkins Hospital382,6647651
408Semmelweis University52,65875228
409Tampere University of Technology22,6518259
410University of Illinois College of Medicine232,6405716
411University of Newcastle172,62852693
412Osaka University22,6274.1K257
413Perinatal Institute42,626191
414University of Münster102,624935138
415Radcliffe Infirmary52,61314317
416Avid Radiopharmaceuticals32,59471
417University Hospitals of Cleveland182,5869930
418University of California, Davis262,578288129
419Providence Saint John's Health Center42,557111
420Simmons University22,5341582
421NorthShore University HealthSystem122,522609
422Samsung Medical Center82,51862034
423Qatar University42,51063210
424Children's National Hospital262,5028129
425Pitié-Salpêtrière Hospital152,50016956
426The University of Vermont Medical Center122,492275
426Helen Hayes Hospital32,492335
428Atrium Health112,490337
429Peking Union Medical College Hospital92,48835810
430The James Cancer Hospital52,477377
431The Ottawa Hospital162,4736410
432Sun Yat-sen University72,4412.1K172
432Alberta Children's Hospital82,441463
434National and Kapodistrian University of Athens102,4331.2K105
435Howard Hughes Medical Institute152,429284189
436Murdoch Children's Research Institute142,42811026
437Tan Tock Seng Hospital62,4201994
438Boehringer Ingelheim42,419854
439RWTH Aachen University92,4181.2K104
440MedStar Union Memorial Hospital132,407216
441National Institutes of Health Clinical Center252,4001210
442Harvard Pilgrim Health Care142,39954
443Central South University82,3911.6K155
444Children's Hospital Boston152,3908037
445Fudan University32,3873.6K217
445Houston Methodist Hospital152,38711223
447University of Denver82,38527519
448Stanford University Medical Center322,3808170
449University of Washington Medical Center152,3795013
450Maine Medical Center122,364477
451Sorbonne Universités52,35235520
452Advocate Lutheran General Hospital82,348231
453Linköping University102,33671584
454Singapore General Hospital62,33239216
455National Center for Scientific Research62,3004.7K808
456Robert Larner College of Medicine162,2967023
457Pomeranian Medical University22,2884085
458Carolinas Medical Center62,265948
459Université de Sherbrooke172,25422941
460National Institute on Alcohol Abuse and Alcoholism102,2538340
461NYU Langone Medical Center262,25013672
462Johns Hopkins Bayview Medical Center192,248177
463University of Southern Denmark102,21953369
464TU Dresden152,21854295
464Eli Lilly and Company92,21828559
466Canadian Agency for Drugs and Technologies in Health32,202122
467Westmead Hospital72,19527131
468University of Kansas322,184322172
469Texas Children's Hospital72,17726228
470Oulu University Hospital62,1752249
471UPMC Children's Hospital of Pittsburgh192,1718731
472Amgen92,16314840
473Centre hospitalier de l'Université de Montréal52,1561678
474Robert Wood Johnson Medical School152,15110235
475Lankenau Medical Center42,150302
476University of Colorado Anschutz Medical Campus262,1444817
477Hennepin County Medical Center182,132218
478North Shore University Hospital92,120858
479Keio University42,1131.9K73
480Association of American Medical Colleges632,10622
481Glasgow Royal Infirmary42,10425716
482University of Missouri–Kansas City92,10321425
482University of Wisconsin–Milwaukee32,1031.6K30
484St. Paul's Hospital82,09211716
485University Hospitals Birmingham NHS Foundation Trust92,0911397
486University of Göttingen62,0821.6K195
487Prisma Richland Hospital12,076711
488Health Sciences North12,067471
489University of Maryland, Baltimore112,056843
490American College of Physicians112,05142
490Charles R. Drew University of Medicine and Science62,051304
492Imperial College Healthcare NHS Trust42,0473259
493University of Iceland52,04548833
494Skåne University Hospital92,04220124
495Aalborg Hospital112,03716520
496Sunnybrook Research Institute42,0351245
497Yale – New Haven Hospital232,031264
498University Hospital Southampton NHS Foundation Trust52,02617811
499Na Homolce Hospital22,006621
500Eindhoven University of Technology12,0032.7K117
500Middle East Technical University12,0032.5K22
500HTW Berlin12,003831
500Portland VA Medical Center42,003372
500Universidad de Castilla la Mancha12,0031.1K6
505Geneva University Hospitals172,00221562
506Hospital de Clínicas de Porto Alegre51,9922086
507Children's Hospital Colorado171,991527
508Lariboisière Hospital121,9848223
509Sorbonne University151,96622039
510Oslo University Hospital121,96533456
510McLean Hospital151,9658542
510Seoul National University Bundang Hospital21,9651.0K19
513Hospital Clínico San Carlos31,95637210
514University of Nairobi101,95013711
515Istanbul University71,94799025
516Federal University of Rio Grande do Sul61,9431.8K65
516Gentofte Hospital71,9439415
518Public Health Agency of Canada31,94018918
519National Eye Institute151,9396028
520Bielefeld University31,9381.3K69
521Aga Khan University61,93718715
522Nottingham University Hospitals NHS Trust21,93446615
523Flinders University151,92430153
524University of Antwerp111,909610100
525Peking University Health Science Center41,9063989
526Scripps Research91,903439204
527Ghent University Hospital71,90136556
528Chapel Allerton Hospital11,8981255
528Royal Marsden NHS Foundation Trust11,89846823
530Garvan Institute of Medical Research21,89532940
530Memorial Hospital of Rhode Island31,895543
532Cardiff University101,8921.1K211
533Tel Aviv Sourasky Medical Center41,88941413
534Johns Hopkins Center for Health Security41,88161
535Dalhousie University201,877495159
536University of Oklahoma121,873601125
537GlaxoSmithKline71,86724442
538Università Cattolica del Sacro Cuore111,85437953
539South African Medical Research Council31,8491736
539Beaumont Hospital, Royal Oak91,84913326
541UCLA Ronald Reagan Medical Center141,8479926
542University of Freiburg101,842865176
543Princess Alexandra Hospital81,83920325
544Hospital Universitario Virgen del Rocío31,83335314
545Tehran University of Medical Sciences41,8322.0K53
546Medical University of Innsbruck101,81629959
547University of KwaZulu-Natal31,8101.4K27
548Royal Free Hospital51,79742851
549Uniklinik Köln51,79416914
550Hamilton General Hospital41,793254
551Intermountain Healthcare71,787424
552Ghent University71,7852.4K391
553University of Split11,78392012
554Ulm University61,77961354
555Intensive Care National Audit and Research Centre61,77162
556LSU Health Sciences Center New Orleans151,76614334
557New York Medical College251,75213561
558University of Otago111,751884165
559Trinity College41,74695186
560Humanitas University61,7441099
561United States Public Health Service231,74333
562QIMR Berghofer Medical Research Institute61,74128271
563University College Hospital51,73945636
564Geelong Hospital41,737362
565Stavanger University Hospital41,73513410
566West Virginia University121,73352873
567Hospital Universitario Ramón y Cajal71,73228529
568St George's Hospital31,73128220
569Leonard Davis Institute of Health Economics201,72794
570Lunenfeld-Tanenbaum Research Institute41,72421846
571Royal Women's Hospital91,7216615
572University of Coimbra31,7181.8K59
572University College Dublin81,718881109
574National University Health System61,71518014
575UK HealthCare21,71042415
576Changi General Hospital11,7004304
576Sengkang General Hospital11,7001121
578UZ Leuven61,69951159
579Boston Scientific31,696536
580SUNY Downstate Medical Center121,68313528
581King's College61,68162374
581National Research University Higher School of Economics21,6816716
583Helen Wills Neuroscience Institute21,6679018
584HCA Corporation41,64772
585Masaryk University41,64696737
586Princeton University281,645519486
587Montreal Children's Hospital71,6431029
588Agency for Healthcare Research and Quality201,633105
589Aristotle University of Thessaloniki51,6322.2K151
590Arizona State University281,626532392
590McKinsey & Company21,626324
592Henry Ford Hospital211,62313065
593Philadelphia College of Osteopathic Medicine11,6172652
593Grady Memorial Hospital11,6171771
593Florey Institute of Neuroscience and Mental Health11,6172657
596University Medical Center Hamburg-Eppendorf61,61654170
597United States Department of the Treasury11,61041
598University of Greifswald31,60478827
599Tsinghua University21,5904.1K493
600University of Texas at Arlington41,58789644
601Washington University in St. Louis11,5793437
601Union Hospital41,57957333
603Libin Cardiovascular Institute of Alberta31,577716
604University of Nantes41,5751193
605Radboud University Nijmegen91,5721.1K249
606Akershus University Hospital61,5571012
606Kermanshah University of Medical Sciences21,5576795
608Aix-Marseille University121,55639396
609University at Albany71,55529535
610University of Massachusetts Boston31,5544168
611Paris Diderot University141,552229102
612Augusta University171,5498231
613Broad Institute71,5434430
614National Institute of Neurological Disorders and Stroke111,5396646
615University of Canterbury31,5241.5K51
616National Taiwan University Hospital101,52241265
617Christiana Care Health System91,515417
618University of Valencia91,5141.1K153
618Hyogo College of Medicine51,51448824
620Georges Pompidou European Hospital61,5137410
621University of Perugia31,5081.9K128
622UPMC Magee-Womens Hospital11,4991774
623Christchurch Hospital51,49817715
624Alexion Pharmaceuticals21,495323
625Auckland University of Technology31,49260117
625Duke Kunshan University11,4921151
625Southern Illinois University Carbondale21,4922.1K49
625North-West University11,4921.4K14
625Raffles Hospital11,492361
625University of Cartagena11,4924234
625Madda Walabu University11,492623
632Queen Mary University of London81,49145572
633Virginia Mason Medical Center151,4893923
634National Jewish Health111,48810155
635Jackson State University21,48730315
636University of Bonn61,4791.8K301
637Ruhr University Bochum21,4732.9K189
637The Prince Charles Hospital21,4731842
639Emerson Hospital21,467122
640University of Pittsburgh Cancer Institute31,45623441
641Harper University Hospital21,4511214
642Apollo Hospitals21,4502122
642University of Ottawa Heart Institute111,4506927
644University of Kiel11,4472.1K80
645University Hospital Frankfurt61,4431167
646South Australian Health and Medical Research Institute101,438309
647Shanghai Jiao Tong University41,4253.3K401
648Helmholtz Zentrum München71,41723762
649University of Strasbourg81,41544979
650Atlanta Diabetes Associates31,413103
651Yokohama City University21,41194227
652Hospira11,40951
653Barwon Health21,406721
654University of Pisa71,4021.8K235
655Bureau of Economic Analysis21,397101
656University of Virginia Health System51,39440569
657Vanderbilt-Ingram Cancer Center11,3861069
658University of Cincinnati Academic Health Center161,385264131
659Montpellier University Hospital81,382374
660Novartis71,37820652
661National Institute for Occupational Safety and Health201,3707338
662University of Giessen71,369971161
663University of Zagreb51,3661.3K60
664The Christie NHS Foundation Trust21,36529125
665Örebro University51,36232617
666Texas Department of State Health Services51,346403
667Penn State College of Medicine261,3452213
668Texas Woman's University31,3442644
668NHS Grampian31,344501
670Haukeland University Hospital91,34323047
671Ruijin Hospital51,34035425
672Mercy Health21,339192
673University of Pavia51,3341.6K164
674Baker IDI Heart and Diabetes Institute61,3314815
674Rennes University Hospital111,331347
676American College of Radiology31,329257
677Cambridge Health Alliance101,328194
678Howard County General Hospital21,32364
678Claude Bernard University Lyon 141,3231.2K102
680Sorbonne Paris Cité University (group)91,32019756
681Michael Reese Hospital51,3189014
682University of Verona51,3111.1K141
683Kennedy Krieger Institute81,3108230
684University of Eastern Finland61,30748947
685Leeds Teaching Hospitals NHS Trust41,30221319
686University of Genoa111,301896182
687ZI Mannheim31,30023547
688Université de Paris131,29817649
689Tampere University Hospital61,29533349
690Children's Medical Center Dallas31,290513
691Sheba Medical Center81,28833659
692John Radcliffe Hospital101,285396175
693Amsterdam University Medical Centers201,2849830
694Regeneron Pharmaceuticals61,2823612
695Peking University First Hospital61,28127417
696Janssen Pharmaceuticals21,27823915
697Children's Hospital of Michigan61,27710816
698Pew Charitable Trusts31,27661
699Southmead Hospital61,27016928
700University of Malaya31,2692.2K133
701Children's Hospital of Eastern Ontario81,2686715
702Penn State Milton S. Hershey Medical Center71,2661187
703Scripps Health41,265255
704Kumamoto University21,2611.8K92
705Kroll Inc.11,25511
706Klinikum Aachen21,25334013
706Burroughs Wellcome Fund41,25332
708University of Geneva101,250822295
708Pacific Lutheran University11,2501842
710St George's, University of London111,24815965
710Northeastern University111,2481.1K307
712University of Ioannina61,24755948
713Catharina Ziekenhuis81,2339226
713UCL Medical School61,233451133
715Ball State University21,23182017
715Alborz University of Medical Sciences21,2312485
715Federal Institute for Population Research21,231113
718Instituto de Infectologia Emilio Ribas11,230511
719Northwestern Medicine71,22983
720Mercy Hospital51,228511
721University of Paris-Sud41,226929140
721Cooper University Hospital71,226547
723University of Wollongong41,2241.6K151
724Dartmouth–Hitchcock Medical Center201,2215839
725Laerdal11,22091
726German Cancer Research Center51,21733499
727Icahn School of Medicine at Mount Sinai61,2115417
728Health Resources and Services Administration91,208195
729Centre Hospitalier Régional et Universitaire de Lille51,2078112
730National Yang-Ming University51,20584483
730University of Houston51,2051.7K219
732University Hospital Heidelberg121,20422172
733Medical University of Graz61,20158599
733Toronto Western Hospital41,20128263
735Heart Research Institute11,197729
736University of Lisbon41,1951.9K118
736Koo Foundation Sun Yat-Sen Cancer Center11,195582
738Medical University of Warsaw11,1931.5K39
738Florida International University111,193431115
740Beaujon Hospital81,1899635
740American Institutes for Research11,1891723
742Toronto Public Health11,188351
743Monroe Community Hospital11,186373
744Carol Davila University of Medicine and Pharmacy21,1822236
745New York Methodist Hospital31,180664
746Charité91,179491117
747Hôpital Cochin91,17817858
748Bichat–Claude Bernard Hospital71,1719326
749San Diego State University61,170839127
749Baystate Health61,170616
751Medical University of Białystok11,16680413
751Texas Tech University Health Sciences Center181,1669041
751Ljubljana University Medical Centre11,1667759
754Northwestern Memorial Hospital151,1634315
755University of Würzburg41,1541.7K334
756Pan American Health Organization71,1503810
757Queensland University of Technology51,1421.4K170
757Kingston General Hospital51,14210414
759Radboud University Medical Centre121,141325153
760Philadelphia VA Medical Center121,14022
761Barts Health NHS Trust101,1369515
762City of Hope National Medical Center91,13521586
763University of Illinois at Urbana–Champaign51,1322.8K599
764Rehabilitation Institute of Chicago71,1264318
765University of Duisburg-Essen81,123753164
766Cliniques universitaires Saint-Luc31,12132522
767Friedrich Alexander Universität Erlangen Nürnberg FAU31,11912316
768Women's College Hospital71,1166410
769Pontifical Catholic University of Chile61,10976582
770Ca' Foscari University of Venice21,10740212
771Royal Brisbane and Women's Hospital61,10322334
772Nova Southeastern University31,09936418
772University of Maryland Medical Center61,09916515
774Marqués de Valdecilla University Hospital41,09618814
775University Institute of Cardiology and Pulmonology41,0819114
776University of Oregon61,0731.0K268
777Tenon Hospital71,07113646
777University Hospital of Wales51,07132954
779Ewha Womans University21,0681.6K73
780Paracelsus Medical University41,06529521
781Wuhan Blood Center11,06141
781Wuhan Pulmonary Hospital11,061244
783University of Florence41,0592.6K371
784Southern Medical University41,0551.1K107
785Air Force Medical University31,0541.0K83
785Nanfang Hospital21,05482538
785Zhongshan Hospital21,05489258
788National Bureau of Economic Research161,0514446
789University of Western Brittany61,05018519
790Dokkyo Medical University31,0472624
791Nebraska Medical Center81,0466630
792Kosin University11,0424613
792University of Canberra11,0421.2K18
792Joan C. Edwards School of Medicine11,0421082
792White Plains Hospital11,042172
796Substance Abuse and Mental Health Services Administration161,03365
796Beijing Botanical Garden61,03311
798Princess Margaret Hospital11,03287165
799King Abdullah International Medical Research Center31,029824
800Medical University of Łódź41,02157742
801Dexcom21,01631
802Glenfield Hospital31,01317127
803Jewish General Hospital141,0097851
804UC Davis Medical Center81,0079515
804ComUE Paris-Saclay University31,0071.6K133
806European Institute of Oncology21,00647976
806NHS Blood and Transplant51,006479
808University of Bari31,0041.6K140
809Marche Polytechnic University29921.7K92
810University of Toledo498285581
810Middlemore Hospital4982846
812Medtronic plc3981379
812University of Cincinnati Medical Center1198111850
814St. Luke's Hospital597913918
815Boston Consulting Group597571
816Centre Hospitalier Universitaire de Grenoble2970353
817University Hospital Dresden696914427
818Antwerp University Hospital396726126
818Fiona Stanley Hospital6967492
818University of California System396794
821St. James's Hospital396432726
822Yong Loo Lin School of Medicine896331087
823University College Cork9956455155
824Moscow State University19533.8K244
825Miriam Hospital69529924
826Roy J. and Lucille A. Carver College of Medicine119445042
826Royal Victoria Hospital894426588
828Morehouse School of Medicine189401912
829Canadian Blood Services3934405
830BC Cancer Agency492928382
831Jagiellonian University29262.5K148
831East Tennessee State University492636519
833University of Tübingen89251.4K498
834Virginia Tech39223.5K520
835Hofstra University19208659
836Newton-Wellesley Hospital4918303
837University of Trieste49171.2K132
838James Madison University291361516
838Institut Pasteur de Lille391321751
840New York Academy of Medicine69122811
840LDS Hospital69125015
842University of Bordeaux9909406125
843King Saud bin Abdulaziz University for Health Sciences490814810
844Pompeu Fabra University490753993
845Örebro University Hospital290523730
846Ochsner Medical Center3902979
847Swiss Tropical and Public Health Institute289927845
848Boone Hospital Center189862
848Cleveland Clinic Abu Dhabi18981542
848Lahey Clinic189820112
851University of Vienna38973.3K547
852Frimley Park Hospital18911332
853Naval Health Research Center5888368
854University of Michigan Institute for Social Research288761
855Texas Medical Center18862669
856Liverpool Hospital587811814
857Loma Linda University887529186
857Stellenbosch University68751.1K180
859Englewood Hospital and Medical Center1871893
860United States National Library of Medicine178695272
861Universidad de Antioquia28641.0K28
862Johannes Gutenberg University Mainz38621.5K265
862Baylor University Medical Center at Dallas2862243
864Maryland Department of Health8841103
865University of Tromsø – The Arctic University of Norway38401.1K154
865Mahidol Oxford Tropical Medicine Research Unit2840201
867Hebrew University of Jerusalem48372.5K538
868University of Marburg38331.7K315
869NewYork–Presbyterian Hospital98318231
869The Children's Hospital at Westmead383135557
871Ludwig Maximilian University of Munich68292.3K809
871Thomas Jefferson University Hospital882920343
873University Hospital Erlangen582418143
873Vancouver General Hospital582421658
875Arkansas Children's Hospital282324713
876University of Pennsylvania Health System78217324
877D'Annunzio University of Chieti–Pescara282046125
877Crozer-Keystone Health System1820161
879University of Szeged18132.3K115
880University of Oulu58121.3K266
881World Bank181019316
882Joint Commission980363
882Franciscan Health1803131
884Colorado State University28003.5K544
884Hospital Universitario La Paz380032626
884North Bristol NHS Trust580010917
887Cross Cancer Institute279817926
888Kuopio University Hospital579630268
889University of Massachusetts Amherst27891.7K162
889City University of New York25789192303
891Cayetano Heredia University578815629
892Texas Tech University7786871181
893VA Connecticut Healthcare System47818215
894Carlos III Health Institute477951397
894Universidad Icesi3779791
896University of Naples Federico II47782.5K455
897Zealand University Hospital77779012
898American Board of Internal Medicine177651
899Mahidol University7775947188
899University of Parma37751.5K171
901Zhengzhou University27681.9K203
902Onze Lieve Vrouwe Gasthuis77669029
903University of Lorraine976534177
903St Luke’s Hospital1765484
905Sir Charles Gairdner Hospital476323146
906Deutsches Herzzentrum Berlin176212511
907The Queen Elizabeth Hospital576114226
908University of Mississippi376092790
908University of Salerno17602.5K163
910Winthrop-University Hospital67587015
911John Hunter Hospital67549031
912Urban Institute1975088
913Population Council27459514
914Neuroscience Research Australia574312747
915Hôpital Saint-Louis374228770
916Universidade do Porto27381.6K143
917Aberdeen Royal Infirmary172952731
918National University Hospital972823576
919Chang Gung University5722855146
920Cygnus Inc272121
921University of Puerto Rico5715523105
922Royal North Shore Hospital771224581
923Nagoya University27113.5K554
923Hasselt University17111.2K80
923Froedtert Hospital2711555
926Southlake Regional Health Centre2709437
927American College of Cardiology6708115
928Baylor Scott & White Health57072711
929Mayo Clinic Arizona570614132
930Freeman Hospital270043254
931Christian Medical College269971940
932UCSF Benioff Children's Hospital56983716
933University of Rennes 14697713138
933Netherlands Institute for Neuroscience269718053
935Pablo Tobón Uribe Hospital16961122
935Roswell Park Comprehensive Cancer Center4696381132
935University Malaya Medical Centre16961385
938Royal Alexandra Hospital36881076
939North York General Hospital2687737
940Beth Israel Medical Center136796647
941University of Pretoria46761.6K213
941Cleveland State University267697556
943Chinese Academy of Sciences16717.5K2.0K
943Isfahan University of Medical Sciences367185951
943King Abdulaziz Medical City167129912
943Wuhan Institute of Virology167122434
947University of Chicago Comprehensive Cancer Center1670275
948AstraZeneca3666494152
948Hacettepe University36661.9K176
950Boston Collaborative Drug Surveillance Program2664306
951Tours University366330013
952Adventist HealthCare White Oak Medical Center1661267
953Manchester University NHS Foundation Trust86585414
954Stollery Children's Hospital4656322
955University of Lyon265447137
955Amherst College265428319
955Central University of Venezuela16541.1K29
958Humana965321
959City College of New York2651913119
960Kurashiki Central Hospital264424519
960Yokohama City University Medical Center264428316
960American Pain Society164421
963Central Michigan University464337730
963Aston University26431.3K153
963Southern Methodist University7643361130
963Merck & Co.5643255163
967Tuen Mun Hospital264214912
967Iowa City VA Medical Center464293
969American University of Beirut6639585100
969Shahid Beheshti University of Medical Sciences26392.1K131
969Spaulding Rehabilitation Hospital363910025
972Warneford Hospital363716159
973National Stroke Association163521
974Prince Hamza Hospital163441
975Western General Hospital4632468186
976Johnson & Johnson2631304
976Hospital General Universitario Gregorio Marañón463132065
978Children's Hospital of Western Ontario1628401
978Holland Bloorview Kids Rehabilitation Hospital162814810
978IWK Health Centre162834225
981Emory Healthcare2626412
982Portland State University16242.0K97
983Hammersmith Hospital3623839276
984Alaska Native Tribal Health Consortium2622446
985University Hospitals of Leicester NHS Trust462126047
986Brookings Institution2162069
986Bastyr University2620243
986Family Health International76203428
989James Whitcomb Riley Hospital for Children161734427
989Akron Children's Hospital16171674
989Children's Hospital Oakland161712910
989Hackensack University Medical Center161740927
989Saint Barnabas Medical Center16171124
989The Bristol-Myers Squibb Children's Hospital161731
995John A. Hartford Foundation261631
996Innlandet Hospital Trust3611626
997Royal Devon and Exeter Hospital261014416
997Instituto Nacional de Salud Pública361011926
999Churchill Hospital360828085
1000First Affiliated Hospital of Xinjiang Medical University360742644