| # | Institution | Articles | Citations | R ARank | R CRank |
|---|
| 1 | National Institutes of Health | 37 | 571 | 770 | 1.5K |
| 2 | University of Trás-os-Montes and Alto Douro | 2 | 436 | 417 | 34 |
| 3 | National Human Genome Research Institute | 4 | 423 | 256 | 154 |
| 4 | University of Missouri | 12 | 385 | 1.3K | 1.3K |
| 5 | University of Aveiro | 1 | 373 | 2.6K | 381 |
| 5 | University of Porto | 1 | 373 | 3.5K | 449 |
| 7 | Stanford University | 10 | 260 | 2.8K | 3.2K |
| 8 | Purdue University | 8 | 211 | 2.6K | 2.5K |
| 9 | University of California | 24 | 205 | 4.9K | 7.6K |
| 10 | University of Texas at Austin | 3 | 194 | 6.6K | 3.8K |
| 11 | Cornell University | 9 | 166 | 2.5K | 3.3K |
| 11 | University of Georgia | 19 | 166 | 916 | 2.3K |
| 13 | California Institute of Technology | 3 | 165 | 1.9K | 1.5K |
| 14 | Johns Hopkins School of Medicine | 7 | 150 | 973 | 1.3K |
| 15 | Charles River Laboratories | 12 | 141 | 14 | 36 |
| 16 | North Carolina State University | 10 | 134 | 1.5K | 2.5K |
| 17 | University of Oregon | 4 | 129 | 1.4K | 1.3K |
| 18 | University of Zurich | 4 | 126 | 2.9K | 2.6K |
| 19 | Harvard University | 2 | 123 | 5.5K | 3.7K |
| 20 | University of Toronto Mississauga | 1 | 113 | 673 | 298 |
| 21 | University of Washington | 7 | 94 | 4.4K | 5.7K |
| 22 | University Hospital Zurich | 2 | 91 | 1.4K | 1.1K |
| 23 | University of North Carolina | 5 | 86 | 2.8K | 3.6K |
| 24 | University of Pennsylvania | 27 | 84 | 1.3K | 5.0K |
| 24 | National Institute of Environmental Health Sciences | 6 | 84 | 382 | 747 |
| 26 | Johns Hopkins University | 7 | 83 | 2.8K | 4.2K |
| 27 | Tufts University | 15 | 81 | 377 | 2.0K |
| 28 | Indiana University | 9 | 76 | 1.6K | 3.4K |
| 29 | Medical College of Wisconsin | 5 | 75 | 1.2K | 1.6K |
| 30 | University of California, Davis | 7 | 73 | 1.2K | 2.6K |
| 31 | University of Cincinnati | 7 | 70 | 1.5K | 2.9K |
| 32 | Oregon Health & Science University | 4 | 69 | 1.4K | 1.8K |
| 33 | Scripps Research | 4 | 66 | 751 | 1.2K |
| 34 | Southwest University | 3 | 65 | 1.3K | 1.1K |
| 35 | University of Kentucky | 8 | 60 | 1.9K | 3.7K |
| 35 | University Medical Center Utrecht | 1 | 60 | 2.5K | 1.8K |
| 35 | Office of Extramural Research | 81 | 60 | 1 | 1 |
| 38 | Ohio State University | 6 | 59 | 4.3K | 6.0K |
| 39 | Michigan State University | 5 | 58 | 3.7K | 4.9K |
| 40 | University of Cambridge | 4 | 56 | 5.1K | 5.8K |
| 40 | McGill University | 2 | 56 | 6.9K | 5.7K |
| 42 | Virginia Tech | 6 | 55 | 2.2K | 3.7K |
| 43 | RMIT University | 2 | 54 | 2.4K | 2.1K |
| 44 | Colorado State University | 16 | 53 | 680 | 3.1K |
| 45 | Children's Hospital Boston | 2 | 52 | 508 | 809 |
| 46 | Memorial Sloan Kettering Cancer Center | 6 | 51 | 1.0K | 1.8K |
| 46 | Mississippi State University | 4 | 51 | 1.1K | 1.6K |
| 46 | Thomas Jefferson University | 4 | 51 | 1.5K | 2.1K |
| 46 | Weill Cornell Medicine | 4 | 51 | 1.8K | 2.4K |
| 50 | Massachusetts Institute of Technology | 6 | 50 | 2.4K | 4.2K |
| 50 | University of A Coruña | 1 | 50 | 1.4K | 721 |
| 50 | Concordia University | 7 | 50 | 812 | 2.0K |
| 50 | Oregon State University | 2 | 50 | 3.2K | 3.1K |
| 50 | Umeå University | 1 | 50 | 3.9K | 2.8K |
| 50 | University of Wisconsin–Oshkosh | 2 | 50 | 220 | 244 |
| 56 | Virginia Commonwealth University | 2 | 49 | 3.4K | 3.1K |
| 57 | University of Münster | 1 | 48 | 4.0K | 2.8K |
| 57 | University of Veterinary Medicine Hanover, Foundation | 2 | 48 | 332 | 362 |
| 59 | Virginia–Maryland College of Veterinary Medicine | 2 | 47 | 217 | 257 |
| 60 | University of Virginia | 3 | 45 | 3.8K | 4.3K |
| 61 | University of Amsterdam | 4 | 44 | 3.7K | 4.9K |
| 62 | University of Edinburgh | 2 | 43 | 5.9K | 5.2K |
| 62 | University of Tehran | 2 | 43 | 3.3K | 2.7K |
| 62 | Tehran University of Medical Sciences | 2 | 43 | 2.9K | 2.4K |
| 65 | Columbia University | 6 | 40 | 3.8K | 6.4K |
| 66 | Brown University | 6 | 39 | 1.7K | 3.7K |
| 66 | Shahid Beheshti University of Medical Sciences | 1 | 39 | 2.9K | 1.8K |
| 66 | Pasteur Institute of Iran | 1 | 39 | 636 | 446 |
| 66 | Research Institute for Endocrine Sciences | 1 | 39 | 274 | 191 |
| 66 | University of Tennessee | 6 | 39 | 2.2K | 4.4K |
| 71 | Utrecht University | 4 | 38 | 3.3K | 4.8K |
| 71 | Aristotle University of Thessaloniki | 1 | 38 | 5.3K | 3.6K |
| 71 | Mayo Clinic | 6 | 38 | 2.3K | 3.4K |
| 74 | University of Florida | 9 | 37 | 3.3K | 7.0K |
| 74 | Oak Ridge National Laboratory | 5 | 37 | 1.1K | 1.9K |
| 76 | Sungkyunkwan University | 1 | 36 | 4.3K | 3.1K |
| 76 | Pukyong National University | 1 | 36 | 1.3K | 927 |
| 76 | Korea Maritime University | 1 | 36 | 158 | 135 |
| 76 | University of Wisconsin–Madison | 10 | 36 | 3.3K | 7.4K |
| 76 | Ashland University | 1 | 36 | 83 | 62 |
| 76 | Case Western Reserve University | 1 | 36 | 5.5K | 4.3K |
| 82 | University of Illinois at Chicago | 5 | 35 | 2.4K | 4.5K |
| 82 | Lawrence Berkeley National Laboratory | 1 | 35 | 1.6K | 1.6K |
| 84 | Tel Aviv University | 1 | 34 | 7.0K | 5.2K |
| 84 | Universidad de Las Palmas de Gran Canaria | 1 | 34 | 730 | 460 |
| 86 | University of Helsinki | 2 | 32 | 5.0K | 5.1K |
| 86 | Istituto Superiore di Sanità | 2 | 32 | 1.2K | 1.5K |
| 88 | Erasmus MC | 2 | 31 | 2.0K | 2.3K |
| 88 | Istituto Italiano di Tecnologia | 1 | 31 | 845 | 864 |
| 90 | Royal Infirmary of Edinburgh | 1 | 30 | 706 | 638 |
| 90 | Western General Hospital | 1 | 30 | 1.0K | 1.0K |
| 92 | AstraZeneca | 3 | 29 | 493 | 978 |
| 92 | Ohio University | 1 | 29 | 2.5K | 2.0K |
| 92 | Saint Joseph's University | 1 | 29 | 309 | 237 |
| 92 | Duke University Hospital | 4 | 29 | 2.1K | 3.3K |
| 96 | University of South Carolina | 4 | 28 | 2.5K | 4.4K |
| 96 | National Institute on Aging | 2 | 28 | 663 | 1.1K |
| 98 | Polish Academy of Sciences | 2 | 25 | 3.5K | 3.7K |
| 99 | Université de Montréal | 2 | 24 | 4.7K | 5.3K |
| 99 | University of Salento | 1 | 24 | 1.6K | 1.5K |
| 101 | Pontifical Xavierian University | 1 | 23 | 1.0K | 706 |
| 102 | University of Bergen | 1 | 22 | 4.1K | 3.9K |
| 102 | Nord-Trøndelag University College | 1 | 22 | 19 | 46 |
| 102 | California State Polytechnic University, Pomona | 9 | 22 | 34 | 635 |
| 105 | University of Rochester | 6 | 21 | 1.7K | 4.3K |
| 105 | Eli Lilly and Company | 2 | 21 | 818 | 1.2K |
| 105 | Atatürk University | 1 | 21 | 1.9K | 1.6K |
| 105 | National University of Ireland | 2 | 21 | 1.5K | 2.5K |
| 109 | University of Michigan | 34 | 20 | 1.4K | 9.2K |
| 109 | Wonkwang University | 1 | 20 | 819 | 815 |
| 109 | Emory University | 7 | 20 | 1.8K | 4.8K |
| 109 | National University of Singapore | 3 | 20 | 4.9K | 6.8K |
| 109 | University of Arkansas for Medical Sciences | 1 | 20 | 2.5K | 2.3K |
| 109 | Arkansas Children's Hospital | 1 | 20 | 356 | 419 |
| 109 | Front Range Community College | 1 | 20 | 9 | 18 |
| 116 | University of California, San Francisco | 6 | 19 | 1.7K | 3.8K |
| 117 | Ludwig Maximilian University of Munich | 1 | 18 | 5.7K | 5.3K |
| 117 | Nyenrode Business University | 1 | 18 | 74 | 105 |
| 117 | Federal University of Uberlândia | 1 | 18 | 1.7K | 1.3K |
| 120 | University of Copenhagen | 5 | 17 | 3.6K | 6.8K |
| 120 | Georgetown University | 2 | 17 | 2.4K | 3.4K |
| 120 | University of Ottawa | 1 | 17 | 6.5K | 6.1K |
| 120 | Aarhus University | 2 | 17 | 4.5K | 5.8K |
| 120 | University of Stirling | 2 | 17 | 1.4K | 2.2K |
| 120 | Anschutz Medical Campus | 2 | 17 | 1.4K | 2.1K |
| 120 | Montclair State University | 1 | 17 | 974 | 1.0K |
| 120 | Kean University | 1 | 17 | 254 | 249 |
| 128 | University of Alaska Fairbanks | 1 | 16 | 952 | 1.1K |
| 128 | National Institute on Drug Abuse | 1 | 16 | 471 | 646 |
| 128 | Universidade de Passo Fundo | 2 | 16 | 322 | 309 |
| 131 | University of Pittsburgh | 10 | 15 | 2.5K | 7.5K |
| 131 | Medical University of South Carolina | 6 | 15 | 1.3K | 3.3K |
| 133 | Food and Drug Administration | 5 | 14 | 264 | 1.2K |
| 133 | GlaxoSmithKline | 1 | 14 | 966 | 1.2K |
| 133 | Oberlin College | 1 | 14 | 500 | 568 |
| 133 | Arizona State University | 5 | 14 | 2.9K | 6.5K |
| 133 | University of Naples Federico II | 2 | 14 | 3.7K | 5.1K |
| 133 | University of Exeter | 1 | 14 | 4.4K | 4.5K |
| 133 | University of Patras | 1 | 14 | 3.0K | 3.1K |
| 133 | Baqiyatallah University of Medical Sciences | 1 | 14 | 831 | 940 |
| 133 | Guangdong Ocean University | 1 | 14 | 484 | 542 |
| 133 | Tarbiat Modares University | 1 | 14 | 3.0K | 3.0K |
| 133 | University of North Texas Health Science Center | 4 | 14 | 257 | 1.0K |
| 144 | Weizmann Institute of Science | 1 | 13 | 2.0K | 2.4K |
| 144 | University of Marburg | 1 | 13 | 3.1K | 3.4K |
| 144 | University of Minnesota | 9 | 13 | 3.6K | 9.6K |
| 144 | Gdańsk University of Technology | 1 | 13 | 1.2K | 1.2K |
| 144 | Medical University of Gdańsk | 1 | 13 | 1.3K | 1.4K |
| 144 | University of California, San Diego | 6 | 13 | 2.2K | 5.9K |
| 144 | Merck & Co. | 6 | 13 | 216 | 995 |
| 151 | United States Military Academy | 1 | 12 | 351 | 486 |
| 151 | Cardiff University | 1 | 12 | 5.2K | 5.6K |
| 151 | University of Massachusetts | 2 | 12 | 4.0K | 6.0K |
| 151 | Texas State University | 2 | 12 | 1.1K | 2.0K |
| 151 | Kenneth S. Warren Institute | 4 | 12 | 2 | 9 |
| 151 | University of Nebraska Medical Center | 5 | 12 | 1.1K | 3.0K |
| 151 | Vall d'Hebron Research Institute | 1 | 12 | 135 | 252 |
| 158 | Auburn University | 2 | 11 | 2.8K | 4.2K |
| 158 | Ghent University | 1 | 11 | 6.5K | 6.9K |
| 158 | University of Alabama at Birmingham | 2 | 11 | 3.6K | 5.1K |
| 158 | National Center for Toxicological Research | 2 | 11 | 286 | 640 |
| 158 | Washington University School of Medicine | 3 | 11 | 2.4K | 3.9K |
| 158 | MRC London Institute of Medical Sciences | 1 | 11 | 123 | 247 |
| 158 | University of Nevada, Reno | 3 | 11 | 2.2K | 4.6K |
| 158 | Nebraska Medical Center | 1 | 11 | 575 | 918 |
| 166 | Charles University | 1 | 10 | 4.6K | 4.7K |
| 166 | University College London | 1 | 10 | 8.4K | 8.6K |
| 166 | École nationale vétérinaire d'Alfort | 2 | 10 | 115 | 298 |
| 166 | University of Gothenburg | 1 | 10 | 5.6K | 6.2K |
| 166 | University of British Columbia | 1 | 10 | 10.0K | 10.1K |
| 166 | Slovak Academy of Sciences | 1 | 10 | 2.2K | 2.5K |
| 166 | Joslin Diabetes Center | 3 | 10 | 83 | 328 |
| 166 | University of Texas Southwestern Medical Center | 1 | 10 | 3.4K | 3.7K |
| 166 | Air Force Medical University | 1 | 10 | 1.7K | 2.0K |
| 166 | Southern Illinois University School of Medicine | 2 | 10 | 470 | 1.1K |
| 176 | Heidelberg University | 4 | 9 | 2.9K | 5.8K |
| 176 | University of South Florida | 3 | 9 | 3.3K | 6.3K |
| 176 | University of Guelph | 2 | 9 | 2.8K | 4.5K |
| 176 | George Mason University | 1 | 9 | 3.5K | 4.1K |
| 176 | University of Western Australia | 1 | 9 | 5.4K | 6.3K |
| 176 | College of the Atlantic | 1 | 9 | 35 | 98 |
| 176 | National Association for Biomedical Research | 27 | 9 | 1 | 3 |
| 176 | Michigan Medicine | 2 | 9 | 2.3K | 3.4K |
| 176 | Beijing Hua Xin Hospital | 1 | 9 | 17 | 49 |
| 185 | University of Notre Dame | 3 | 8 | 2.1K | 4.6K |
| 185 | Sapienza University of Rome | 1 | 8 | 6.2K | 6.8K |
| 185 | Dalhousie University | 1 | 8 | 5.0K | 5.8K |
| 185 | Consiglio Nazionale delle Ricerche | 1 | 8 | 2.0K | 2.7K |
| 185 | Wellcome Sanger Institute | 1 | 8 | 433 | 692 |
| 185 | Georgia State University | 5 | 8 | 1.2K | 4.1K |
| 185 | University of Parma | 1 | 8 | 2.9K | 3.7K |
| 185 | Mercer University | 1 | 8 | 425 | 726 |
| 185 | Nara Medical University | 1 | 8 | 1.2K | 1.4K |
| 185 | United States Army Medical Research Institute of Infectious Diseases | 3 | 8 | 123 | 409 |
| 185 | Americans for Medical Progress | 12 | 8 | 1 | 2 |
| 196 | New York University | 2 | 7 | 4.4K | 6.8K |
| 196 | University of Utah | 2 | 7 | 5.1K | 7.6K |
| 196 | University of Bristol | 2 | 7 | 4.8K | 7.4K |
| 196 | University of Veterinary Medicine Vienna | 1 | 7 | 469 | 747 |
| 196 | Huazhong University of Science and Technology | 1 | 7 | 4.6K | 5.1K |
| 196 | VU University Medical Center | 1 | 7 | 1.8K | 2.5K |
| 196 | University of Memphis | 1 | 7 | 2.5K | 3.3K |
| 196 | University of Mosul | 1 | 7 | 443 | 503 |
| 196 | Texas Biomedical Research Institute | 1 | 7 | 180 | 349 |
| 196 | Tongji Medical College | 1 | 7 | 2.2K | 2.7K |
| 196 | New York State Psychiatric Institute | 1 | 7 | 743 | 1.1K |
| 196 | Greehey Children's Cancer Research Institute | 2 | 7 | 85 | 295 |
| 196 | Mercy College | 1 | 7 | 83 | 144 |
| 196 | Union Hospital | 1 | 7 | 1.3K | 1.7K |
| 210 | University of Bologna | 1 | 6 | 6.8K | 7.8K |
| 210 | Wayne State University | 3 | 6 | 3.0K | 6.2K |
| 210 | University of Turin | 1 | 6 | 5.5K | 6.5K |
| 210 | Moscow Institute of Physics and Technology | 1 | 6 | 721 | 934 |
| 210 | University of Cádiz | 1 | 6 | 1.6K | 2.1K |
| 210 | Wright State University | 2 | 6 | 1.2K | 2.7K |
| 210 | Uniformed Services University of the Health Sciences | 1 | 6 | 1.8K | 2.4K |
| 210 | Carlos III Health Institute | 1 | 6 | 1.2K | 1.7K |
| 210 | Veterans Health Administration | 1 | 6 | 1.4K | 2.1K |
| 210 | National University of Natural Medicine | 1 | 6 | 31 | 77 |
| 210 | University of Mississippi Medical Center | 1 | 6 | 1.7K | 2.3K |
| 221 | Vanderbilt University | 5 | 5 | 2.1K | 6.5K |
| 221 | University of Minho | 1 | 5 | 2.8K | 3.9K |
| 221 | University of Southampton | 1 | 5 | 6.1K | 7.6K |
| 221 | Ames Research Center | 2 | 5 | 633 | 1.5K |
| 221 | Imperial College London | 2 | 5 | 5.8K | 8.7K |
| 221 | University of North Carolina at Chapel Hill | 7 | 5 | 2.0K | 7.1K |
| 221 | University of Coimbra | 1 | 5 | 3.6K | 4.6K |
| 221 | University of Nottingham | 2 | 5 | 5.1K | 8.3K |
| 221 | Rutgers University | 2 | 5 | 5.6K | 8.7K |
| 221 | Pennsylvania State University | 4 | 5 | 5.2K | 10.4K |
| 221 | University of Sussex | 1 | 5 | 3.6K | 4.7K |
| 221 | State University of New York Upstate Medical University | 3 | 5 | 817 | 2.2K |
| 221 | Charing Cross Hospital | 1 | 5 | 726 | 1.1K |
| 221 | Southern Research | 1 | 5 | 240 | 441 |
| 221 | Universities Federation for Animal Welfare | 1 | 5 | 12 | 15 |
| 221 | Universidad Autónoma del Estado de México | 1 | 5 | 659 | 872 |
| 221 | National Aeronautics and Space Administration | 2 | 5 | 565 | 1.3K |
| 221 | Technological Educational Institute of Athens | 1 | 5 | 182 | 462 |
| 221 | Royal Society for the Prevention of Cruelty to Animals | 1 | 5 | 14 | 33 |
| 221 | Halmstad University | 1 | 5 | 313 | 629 |
| 241 | University of Oxford | 1 | 4 | 9.7K | 11.1K |
| 241 | Autonomous University of Barcelona | 1 | 4 | 5.0K | 6.4K |
| 241 | University of Cologne | 1 | 4 | 4.6K | 5.8K |
| 241 | University of Chicago | 6 | 4 | 2.8K | 8.0K |
| 241 | Karolinska Institute | 1 | 4 | 4.5K | 5.6K |
| 241 | Central Michigan University | 1 | 4 | 1.4K | 2.3K |
| 241 | University of Illinois at Urbana–Champaign | 2 | 4 | 4.7K | 7.8K |
| 241 | Shanghai Jiao Tong University | 1 | 4 | 5.6K | 6.6K |
| 241 | National and Kapodistrian University of Athens | 1 | 4 | 5.2K | 6.4K |
| 241 | Aalborg University | 1 | 4 | 2.9K | 4.2K |
| 241 | University at Buffalo | 2 | 4 | 4.2K | 7.2K |
| 241 | City University of New York | 1 | 4 | 5.1K | 6.3K |
| 241 | Autonomous University of Madrid | 1 | 4 | 4.1K | 5.2K |
| 241 | State University of New York | 1 | 4 | 6.7K | 8.4K |
| 241 | St. Jude Children's Research Hospital | 9 | 4 | 304 | 1.7K |
| 241 | East Carolina University | 2 | 4 | 1.7K | 3.9K |
| 241 | Hunter College | 1 | 4 | 1.3K | 2.0K |
| 241 | National Eye Institute | 4 | 4 | 185 | 744 |
| 241 | Texas Christian University | 1 | 4 | 1.2K | 1.8K |
| 241 | Autonomous University of Yucatán | 1 | 4 | 510 | 875 |
| 241 | University of Portsmouth | 1 | 4 | 2.1K | 3.3K |
| 241 | Baylor College of Medicine | 9 | 4 | 1.5K | 5.0K |
| 241 | University of Texas Health Science Center at San Antonio | 1 | 4 | 2.2K | 3.1K |
| 241 | Cubist Pharmaceuticals | 1 | 4 | 31 | 89 |
| 241 | Delaware Valley University | 2 | 4 | 5 | 52 |
| 241 | Foundation for Biomedical Research | 23 | 4 | 1 | 9 |
| 241 | Hospital Universitario La Paz | 1 | 4 | 651 | 1.0K |
| 241 | Robarts Research Institute | 1 | 4 | 385 | 716 |
| 241 | Texas Children's Hospital | 1 | 4 | 919 | 1.4K |
| 241 | Autonomous University of Ciudad Juárez | 1 | 4 | 305 | 471 |
| 241 | Sotiria General Hospital | 1 | 4 | 61 | 164 |
| 241 | Shariati Hospital | 1 | 4 | 432 | 778 |
| 241 | University of California, Los Angeles | 5 | 4 | 2.3K | 7.1K |
| 241 | Naval Medical Center San Diego | 2 | 4 | 180 | 531 |
| 275 | University of Erlangen-Nuremberg | 1 | 3 | 2.3K | 3.6K |
| 275 | Yale University | 5 | 3 | 2.9K | 8.4K |
| 275 | West Virginia University | 3 | 3 | 2.2K | 6.0K |
| 275 | American Museum of Natural History | 1 | 3 | 546 | 857 |
| 275 | Niigata University | 1 | 3 | 2.4K | 3.2K |
| 275 | Northwestern University | 8 | 3 | 2.4K | 8.8K |
| 275 | Chinese Academy of Sciences | 1 | 3 | 7.4K | 8.5K |
| 275 | University of Surrey | 1 | 3 | 3.7K | 5.3K |
| 275 | Drexel University | 2 | 3 | 2.1K | 4.8K |
| 275 | University of Vigo | 1 | 3 | 1.7K | 2.7K |
| 275 | University of Sheffield | 1 | 3 | 6.6K | 8.5K |
| 275 | Katholieke Universiteit Leuven | 1 | 3 | 7.2K | 9.2K |
| 275 | Kumamoto University | 1 | 3 | 2.5K | 3.2K |
| 275 | Louisiana State University | 7 | 3 | 1.6K | 7.1K |
| 275 | Rush University Medical Center | 1 | 3 | 1.8K | 2.6K |
| 275 | University of Texas System | 1 | 3 | 2.4K | 3.4K |
| 275 | Children's Hospital of Philadelphia | 2 | 3 | 1.5K | 2.8K |
| 275 | University of Chinese Academy of Sciences | 1 | 3 | 3.2K | 4.1K |
| 275 | Western University of Health Sciences | 1 | 3 | 441 | 865 |
| 275 | Naval Medical Center Portsmouth | 1 | 3 | 165 | 316 |
| 275 | Linkou Chang Gung Memorial Hospital | 1 | 3 | 1.8K | 2.4K |
| 275 | University of California, Irvine | 1 | 3 | 3.0K | 4.7K |
| 275 | National Heart, Lung, and Blood Institute | 4 | 3 | 533 | 1.8K |
| 298 | Kansas State University | 2 | 2 | 2.5K | 5.2K |
| 298 | University of Milan | 1 | 2 | 5.9K | 7.8K |
| 298 | University of Louisiana at Lafayette | 1 | 2 | 1.1K | 2.1K |
| 298 | ZI Mannheim | 1 | 2 | 439 | 747 |
| 298 | University of Buenos Aires | 2 | 2 | 3.2K | 5.6K |
| 298 | University of Manchester | 1 | 2 | 8.5K | 10.7K |
| 298 | University of Maryland | 4 | 2 | 4.9K | 11.1K |
| 298 | University of Southern Mississippi | 1 | 2 | 1.6K | 2.6K |
| 298 | University of Bern | 1 | 2 | 4.9K | 6.7K |
| 298 | University of New South Wales | 1 | 2 | 8.2K | 10.4K |
| 298 | University of Miami | 2 | 2 | 3.9K | 7.4K |
| 298 | Chalk River Laboratories | 1 | 2 | 137 | 265 |
| 298 | University of Texas MD Anderson Cancer Center | 10 | 2 | 721 | 3.4K |
| 298 | Jackson Laboratory | 1 | 2 | 30 | 107 |
| 298 | Hospital Clinic of Barcelona | 1 | 2 | 1.5K | 2.1K |
| 298 | Eckerd College | 1 | 2 | 147 | 399 |
| 298 | Leonard M. Miller School of Medicine | 3 | 2 | 1.7K | 3.8K |
| 298 | Southern University of Science and Technology | 1 | 2 | 1.3K | 2.0K |
| 298 | Sichuan Agricultural University | 1 | 2 | 1.0K | 1.6K |
| 298 | IDEXX Laboratories, Inc. | 1 | 2 | 47 | 93 |
| 298 | University of Puerto Rico, Río Piedras Campus | 1 | 2 | 73 | 234 |
| 298 | Portland VA Medical Center | 1 | 2 | 132 | 368 |
| 298 | National Agricultural Library | 2 | 2 | 9 | 35 |
| 321 | Princeton University | 2 | 1 | 3.3K | 6.3K |
| 321 | University of Kansas | 1 | 1 | 5.7K | 8.1K |
| 321 | Technical University of Munich | 1 | 1 | 5.8K | 8.0K |
| 321 | University of Würzburg | 1 | 1 | 3.4K | 5.1K |
| 321 | Duke University | 5 | 1 | 2.7K | 8.5K |
| 321 | Uppsala University | 1 | 1 | 6.4K | 8.9K |
| 321 | Pfizer | 1 | 1 | 951 | 1.6K |
| 321 | National Autonomous University of Mexico | 2 | 1 | 4.1K | 7.4K |
| 321 | Bristol-Myers Squibb | 2 | 1 | 338 | 978 |
| 321 | Florida Atlantic University | 1 | 1 | 2.4K | 4.0K |
| 321 | German Cancer Research Center | 2 | 1 | 621 | 1.5K |
| 321 | Nanjing University | 1 | 1 | 3.7K | 5.2K |
| 321 | Saint Louis University | 2 | 1 | 1.5K | 4.1K |
| 321 | Georgia Institute of Technology | 2 | 1 | 3.4K | 6.5K |
| 321 | BRF | 1 | 1 | 1 | 7 |
| 321 | University of Texas Medical Branch | 6 | 1 | 1.1K | 4.2K |
| 321 | Monmouth University | 1 | 1 | 249 | 610 |
| 321 | Iowa State University | 1 | 1 | 5.4K | 7.5K |
| 321 | University of Mississippi | 6 | 1 | 444 | 3.6K |
| 321 | University of Colorado Denver | 4 | 1 | 949 | 4.6K |
| 321 | University of Saskatchewan | 1 | 1 | 4.8K | 7.2K |
| 321 | Tuskegee University | 5 | 1 | 62 | 913 |
| 321 | Radboud University Medical Centre | 1 | 1 | 1.7K | 2.6K |
| 321 | Wistar Institute | 1 | 1 | 426 | 791 |
| 321 | Eunice Kennedy Shriver National Institute of Child Health and Human Development | 1 | 1 | 1.3K | 2.2K |
| 321 | Isfahan University of Medical Sciences | 1 | 1 | 1.7K | 2.7K |
| 321 | Nanjing Medical University | 1 | 1 | 2.0K | 2.8K |
| 321 | Nationwide Children's Hospital | 1 | 1 | 825 | 1.4K |
| 321 | Tata Memorial Centre | 1 | 1 | 676 | 1.1K |
| 321 | University of Connecticut Health Center | 5 | 1 | 581 | 2.7K |
| 321 | University of Illinois College of Medicine | 2 | 1 | 650 | 1.8K |
| 321 | National Institute on Alcohol Abuse and Alcoholism | 1 | 1 | 438 | 867 |
| 321 | MSPCA-Angell | 1 | 1 | 22 | 36 |
| 321 | University of Iowa | 3 | 1 | 4.0K | 8.8K |
| 321 | Universidade do Porto | 2 | 1 | 1.6K | 4.0K |
| 356 | Tbilisi State University | 1 | 0 | 235 | 512 |
| 356 | Boston University | 1 | 0 | 5.6K | 8.3K |
| 356 | Dartmouth College | 2 | 0 | 1.7K | 4.5K |
| 356 | National Institute for Occupational Safety and Health | 1 | 0 | 572 | 1.1K |
| 356 | Leiden University | 1 | 0 | 4.3K | 6.7K |
| 356 | University of Toronto | 1 | 0 | 11.7K | 15.2K |
| 356 | Marquette University | 5 | 0 | 502 | 3.4K |
| 356 | Alexion Pharmaceuticals | 1 | 0 | 59 | 155 |
| 356 | University of Hawaii | 1 | 0 | 2.9K | 5.2K |
| 356 | University of Barcelona | 1 | 0 | 6.1K | 8.8K |
| 356 | The Rockefeller University | 1 | 0 | 1.4K | 2.3K |
| 356 | University of Melbourne | 1 | 0 | 9.1K | 12.5K |
| 356 | United States Environmental Protection Agency | 1 | 0 | 862 | 1.6K |
| 356 | Amgen | 1 | 0 | 661 | 1.2K |
| 356 | University of the Western Cape | 1 | 0 | 1.4K | 2.7K |
| 356 | University of Alabama | 1 | 0 | 5.1K | 7.9K |
| 356 | Arkansas State University | 1 | 0 | 415 | 1.1K |
| 356 | University of Arkansas at Little Rock | 1 | 0 | 568 | 1.5K |
| 356 | University of Denver | 1 | 0 | 1.9K | 3.5K |
| 356 | East Tennessee State University | 1 | 0 | 1.3K | 2.6K |
| 356 | University of Alberta | 1 | 0 | 9.1K | 12.5K |
| 356 | University of Colorado Boulder | 1 | 0 | 3.2K | 5.4K |
| 356 | University of the West Indies | 1 | 0 | 1.7K | 3.5K |
| 356 | Washington University in St. Louis | 1 | 0 | 340 | 996 |
| 356 | Battelle Memorial Institute | 2 | 0 | 264 | 922 |
| 356 | California State University | 1 | 0 | 5.5K | 8.3K |
| 356 | University of Warwick | 1 | 0 | 5.2K | 7.9K |
| 356 | Boston Scientific | 1 | 0 | 143 | 323 |
| 356 | Pharmacia | 1 | 0 | 98 | 274 |
| 356 | Wyeth | 1 | 0 | 202 | 421 |
| 356 | University of Vermont | 2 | 0 | 2.4K | 5.8K |
| 356 | Pacific Northwest National Laboratory | 1 | 0 | 1.3K | 2.2K |
| 356 | Maastricht University | 1 | 0 | 3.6K | 5.8K |
| 356 | Tulane University | 1 | 0 | 3.2K | 5.5K |
| 356 | University of Otago | 1 | 0 | 4.6K | 7.2K |
| 356 | University of Colorado | 1 | 0 | 6.2K | 9.1K |
| 356 | Janelia Research Campus | 2 | 0 | 79 | 264 |
| 356 | United States Air Force Academy | 1 | 0 | 374 | 932 |
| 356 | MedImmune | 1 | 0 | 142 | 352 |
| 356 | University of Nebraska–Lincoln | 2 | 0 | 2.3K | 5.6K |
| 356 | Middlebury College | 1 | 0 | 480 | 1.1K |
| 356 | University of Houston | 1 | 0 | 4.5K | 7.0K |
| 356 | Kent State University | 1 | 0 | 2.7K | 4.7K |
| 356 | Howard Hughes Medical Institute | 2 | 0 | 940 | 2.0K |
| 356 | Loyola University Chicago | 1 | 0 | 2.2K | 4.0K |
| 356 | Hacettepe University | 1 | 0 | 3.5K | 5.5K |
| 356 | R. J. Reynolds Tobacco Company | 1 | 0 | 25 | 54 |
| 356 | University of North Carolina at Charlotte | 4 | 0 | 709 | 4.1K |
| 356 | Universidad Veracruzana | 1 | 0 | 961 | 1.9K |
| 356 | University of Idaho | 1 | 0 | 2.1K | 3.7K |
| 356 | North Dakota State University | 1 | 0 | 2.1K | 3.9K |
| 356 | Vassar College | 1 | 0 | 485 | 1.1K |
| 356 | Tbilisi State Medical University | 1 | 0 | 89 | 224 |
| 356 | University of Toronto Scarborough | 1 | 0 | 608 | 1.4K |
| 356 | SUNY Downstate Medical Center | 3 | 0 | 541 | 2.1K |
| 356 | University of Medicine and Dentistry of New Jersey | 2 | 0 | 517 | 1.7K |
| 356 | New York Medical College | 2 | 0 | 1.2K | 2.8K |
| 356 | Cleveland Clinic | 1 | 0 | 3.3K | 4.6K |
| 356 | Texas Tech University Health Sciences Center | 1 | 0 | 1.5K | 2.7K |
| 356 | Albany Medical Center | 2 | 0 | 764 | 2.0K |
| 356 | American Association for Laboratory Animal Science | 1 | 0 | 1 | 0 |
| 356 | Cincinnati Children's Hospital Medical Center | 1 | 0 | 1.7K | 2.8K |
| 356 | City of Hope National Medical Center | 7 | 0 | 274 | 1.7K |
| 356 | LSU Health Sciences Center New Orleans | 4 | 0 | 598 | 2.6K |
| 356 | Lovelace Respiratory Research Institute | 2 | 0 | 118 | 417 |
| 356 | MFA Incorporated | 3 | 0 | 1 | 0 |
| 356 | Takeda Oncology | 1 | 0 | 53 | 142 |
| 356 | National Jewish Health | 1 | 0 | 571 | 1.1K |
| 356 | Nevada System of Higher Education | 2 | 0 | 57 | 191 |
| 356 | Northwell Health | 1 | 0 | 865 | 1.6K |
| 356 | Northeast Ohio Medical University | 4 | 0 | 175 | 1.2K |
| 356 | Oklahoma Medical Research Foundation | 1 | 0 | 392 | 789 |
| 356 | RTI International | 1 | 0 | 1.2K | 2.3K |
| 356 | Royal Children's Hospital | 1 | 0 | 1.2K | 2.0K |
| 356 | State University of New York at Delhi | 1 | 0 | 6 | 21 |
| 356 | Suffolk County Community College | 1 | 0 | 25 | 74 |
| 356 | Army Medical University | 1 | 0 | 1.6K | 2.4K |
| 356 | University of Tennessee Health Science Center | 2 | 0 | 1.2K | 2.9K |
| 356 | Vanderbilt University Medical Center | 3 | 0 | 1.6K | 3.9K |
| 356 | Walter Reed Army Institute of Research | 1 | 0 | 890 | 1.6K |
| 356 | Wilford Hall Medical Center | 1 | 0 | 304 | 622 |
| 356 | Lincoln Memorial University | 1 | 0 | 70 | 233 |
| 356 | William Beaumont Army Medical Center | 1 | 0 | 53 | 135 |
| 356 | National Applied Research Laboratories | 1 | 0 | 214 | 493 |
| 356 | Cancer Research Institute | 1 | 0 | 806 | 1.4K |
| 356 | Carolinas Medical Center | 1 | 0 | 384 | 766 |
| 356 | Naval Medical Research Center | 1 | 0 | 404 | 791 |
| 356 | Murdoch Children's Research Institute | 1 | 0 | 892 | 1.6K |
| 356 | PDL BioPharma | 1 | 0 | 4 | 9 |
| 356 | Frederick National Laboratory for Cancer Research | 1 | 0 | 393 | 822 |
| 356 | University of California, Santa Barbara | 3 | 0 | 1.1K | 4.0K |
| 356 | Steris | 1 | 0 | 16 | 31 |
| 356 | Allen Institute | 2 | 0 | 5 | 27 |
| 356 | Medical Research Council | 1 | 0 | 408 | 921 |
| 356 | American Physiological Society | 2 | 0 | 5 | 17 |
| 356 | American Red Cross | 1 | 0 | 191 | 416 |
| 356 | Oregon National Primate Research Center | 2 | 0 | 223 | 661 |
| 356 | United States Army | 1 | 0 | 79 | 327 |
| 356 | Delaware Technical Community College | 2 | 0 | 1 | 22 |
| 356 | LaGuardia Community College | 1 | 0 | 66 | 210 |
| 356 | Holloman Air Force Base | 2 | 0 | 17 | 91 |
| 356 | University of Newcastle | 1 | 0 | 5.0K | 7.9K |
| 356 | Universidad de Navarra | 1 | 0 | 2.0K | 3.5K |
| 356 | Oklahoma State University | 4 | 0 | 1.5K | 6.0K |
| 356 | Penn State College of Medicine | 2 | 0 | 578 | 1.8K |
