Keio University

65.4K(top 0.1%)

papers

1.4M(top 0.1%)

citations

357(top 0.1%)

h-index

603(top 0.1%)

g-index

89.2K

all documents

1.7M

doc citations

29.7K

citing journals

Top Disciplines (by citations)

#	Discipline	Articles	Citations	R ARank	R CRank
1	Science	1,207	114,603	298	273
2	Physics	1,619	108,673	246	284
3	Biology	1,012	107,909	362	269
4	Natural history	145	69,707	456	219
5	Medicine	1,274	61,044	298	313
6	Biochemistry	1,499	51,863	196	234
7	Chemistry	1,408	51,700	304	403
8	Molecular Biology	759	44,795	356	326
9	Research	1,167	40,067	196	209
10	Neurology	812	39,056	206	261
11	Immunology	429	28,924	222	194
12	Cytology	344	22,430	297	355
13	Cell Biology	256	20,971	374	376
14	Biophysics	700	18,152	143	153
15	Human genetics	151	17,742	248	402
16	Nuclear Physics	456	17,664	458	387
17	Immunity	151	16,104	167	175
18	Microbiology	272	13,392	662	668
19	Biotechnology	299	12,324	367	466
20	Hematology	495	11,783	266	336
21	Pharmacology	723	11,705	110	318
22	Endocrinology	269	11,088	216	296
23	Virology	70	10,717	718	476
24	Medical genetics	352	10,311	143	309
25	Materials	369	10,254	430	576
26	Cancer	325	9,953	262	371
27	Psychiatry	257	9,844	386	465
28	Cardiovascular system	114	9,822	237	245
29	Developmental Biology	159	9,499	178	202
30	Analytical Chemistry	353	9,467	174	232
31	Stem cells	204	9,174	34	35
32	Molecules	29	9,150	455	13
33	Nanotechnology	213	9,114	564	578
34	Neurophysiology	174	8,837	267	318
35	Genetics	172	8,717	400	520
36	Solid State Physics	422	8,577	299	405
37	Metabolic diseases	146	8,418	236	281
38	Cell differentiation	125	8,192	168	215
39	Materials Science	294	8,109	354	440
40	Condensed Matter	355	8,054	342	437
41	Bioengineering	181	7,771	308	458
42	Pathology	170	7,700	187	180
43	Ophthalmology	188	7,687	89	73
44	Hypertension	133	7,652	204	290
45	Metabolism	180	7,606	254	348
46	Neurobiology	133	7,555	127	146
47	Physiology	197	7,344	398	421
48	Immune system	39	7,202	223	174
49	Biocompatible Materials	174	7,085	413	441
50	Polymers	301	6,946	351	402
51	Embryology	136	6,736	147	179
52	Neurochemistry	174	6,727	162	201
53	Cardiovascular diseases	269	6,282	22	31
54	Spine	125	6,205	18	27
55	Brain	208	6,150	131	229
56	Growth	93	6,096	141	181
57	Statistical physics	279	5,969	286	343
58	Organic Chemistry	276	5,934	107	212
59	Immunotherapy	71	5,866	203	158
60	Pharmaceutical Chemistry	274	5,853	187	388
61	Electronics	1,112	5,766	23	213
62	Optics	350	5,510	245	342
63	Mental Disorders	108	5,447	501	458
64	Psychology	271	5,439	365	583
65	Colloids	166	5,416	281	305
66	Biochemical Engineering	39	5,141	515	373
67	Allergy	30	4,982	387	218
68	Urology	120	4,966	194	178
69	Anatomy	67	4,879	338	236
70	Cytogenetics	92	4,779	167	247
71	Oncogenes	69	4,770	167	193
72	Genetic engineering	90	4,764	134	125
73	Liver diseases	77	4,617	225	294
74	Orthopedics	206	4,598	49	110
75	polymerization	199	4,536	391	419
76	Neurons	34	4,491	183	240
77	Biomedical Engineering	197	4,428	340	481
78	Genetic regulation	63	4,385	115	167
79	arthritis	83	4,376	184	187
80	Medical Oncology	133	4,278	220	205
81	Technology	346	4,230	92	294
82	Genomics	101	4,179	392	338
83	Surface Chemistry	145	4,123	256	339
84	Japan	1,074	4,080	15	57
85	Nervous system	105	4,003	270	392
86	Computational Biology	82	3,988	383	428
87	antibiotics	168	3,980	13	17
88	genome	45	3,950	351	347
89	Geriatrics	198	3,824	236	333
90	Electrochemistry	264	3,801	151	243
91	Environmental Health	128	3,784	650	859
92	Quantum Gravity	219	3,725	266	423
93	Bioinformatics	70	3,647	333	354
94	Nanostructures	29	3,630	475	217
95	gene mapping	66	3,597	255	260
96	Bioorganic chemistry	139	3,485	160	286
97	Therapeutics	183	3,477	77	248
98	Catalysis	133	3,460	458	636
99	Diabetes	84	3,396	368	443
100	cloning	51	3,390	45	54
101	Chemical Engineering	196	3,360	326	654
102	Dermatology	60	3,327	333	184
103	Systems Biology	113	3,314	47	48
104	Nanostructured Materials	139	3,313	384	511
105	Critical Care Medicine	54	3,311	339	393
106	Critical Care	56	3,304	341	390
107	Diabetes mellitus	73	3,270	362	435
108	management	45	3,258	633	422
109	cell physiology	61	3,235	252	281
110	Chromosome mapping	59	3,104	225	189
111	Economics	217	3,093	303	452
112	Signal Transduction	76	3,015	79	132
113	Thrombosis	60	2,989	164	167
114	nucleic acids	78	2,965	297	567
115	Hemodynamics	41	2,964	147	125
116	Genes	74	2,959	75	46
117	Pharmacy	328	2,942	43	194
118	Histology	98	2,877	173	248
119	drug therapy	181	2,857	132	331
120	Rheumatology	62	2,759	171	197
121	Environment	52	2,758	1.2K	1.4K
122	Pediatrics	59	2,721	592	564
123	Proteome	23	2,675	383	151
124	Public Health	96	2,673	1.0K	1.1K
125	Toxicology	197	2,660	360	859
125	Surgery	61	2,660	472	966
127	Ceramics	108	2,658	131	139
128	Clinical Chemistry	79	2,635	418	499
129	Molecular Genetics	81	2,622	203	347
130	Astrophysics	79	2,601	831	895
131	Pediatric Neurology	52	2,589	176	316
132	Spectrum analysis	86	2,588	670	706
133	Mathematics	344	2,548	433	540
134	Medical Laboratory Science	62	2,499	263	282
135	Nutrition	119	2,461	634	941
136	Mechatronics	48	2,340	48	18
137	Child Development	49	2,312	386	330
138	Glass	82	2,308	127	149
138	pottery	81	2,308	125	144
140	Mental illness	55	2,244	438	527
141	Telecommunication	663	2,204	19	358
142	Cognition	55	2,202	314	279
143	miniaturization	56	2,148	359	515
144	Immunopathology	47	2,106	229	194
145	proteins	25	2,084	832	381
146	Radiobiology	98	2,049	257	291
147	Electrical Engineering	416	2,037	121	306
148	vascular diseases	31	2,028	207	206
149	Mass Spectrometry	12	2,004	736	162
150	Reproduction	98	1,973	288	441
151	carcinogens	45	1,958	137	154
152	Fluid Mechanics	98	1,953	238	317
153	Cell metabolism	10	1,950	382	274
154	Homeostasis	7	1,920	358	266
155	Biomechanics	72	1,911	117	172
156	Nonlinear Dynamics	92	1,890	353	447
157	Psychophysiology	80	1,888	519	777
158	mutagens	49	1,882	93	147
159	Chemotherapy	144	1,870	40	177
160	Carcinogenesis	41	1,858	145	152
161	Operations Research	60	1,835	271	252
162	Schizophrenia	67	1,829	134	197
163	infection	142	1,801	47	309
164	Fluid Dynamics	61	1,798	102	71
165	Genetic therapy	52	1,791	179	244
166	Psychopharmacology	102	1,770	183	472
167	Agricultural Chemistry	117	1,732	224	466
168	Physical Chemistry	46	1,705	603	591
169	Aging	112	1,703	353	579
170	Chemical industry	138	1,698	67	62
171	Production Management	4	1,695	730	156
172	Economic History	162	1,670	205	271
173	Sustainable Development	18	1,643	547	232
174	Artificial Intelligence	96	1,634	460	684
174	gene therapy	35	1,634	238	250
176	Crystal growth	46	1,618	99	87
176	Asia	146	1,618	84	119
178	Pollution	36	1,615	1.8K	1.8K
179	Ecology	57	1,607	1.7K	2.2K
180	Transplantation	88	1,603	243	450
181	Cell division	49	1,596	33	28
182	Automation	46	1,571	390	374
183	Mechanical Engineering	180	1,561	87	148
184	Statistics	121	1,541	269	483
185	Industrial Microbiology	31	1,523	463	414
186	nanoscience	56	1,522	689	966
187	Bacterial infections	12	1,520	388	245
188	Host-parasite interactions	17	1,503	542	512
189	Mathematical Physics	153	1,501	231	448
189	histological techniques	33	1,501	99	107
191	Botany	49	1,495	1.2K	1.3K
192	Oncology	57	1,480	411	1.1K
192	Wireless Communication Systems	69	1,480	333	362
194	Neuropsychology	61	1,424	415	550
195	Gene expression	40	1,413	25	27
196	Respiration	45	1,410	310	365
197	probabilities	76	1,339	192	153
198	Optical materials	60	1,318	481	779
199	DNS	18	1,290	82	30
200	mycoses	13	1,286	386	273
201	Cerebral cortex	31	1,283	220	292
202	diseases	2	1,277	209	59
202	Disease	2	1,277	368	43
204	Behavior	55	1,268	633	905
205	Signal Processing	61	1,259	466	634
206	Meteorology	25	1,236	828	783
207	Child psychology	8	1,228	1.0K	482
208	Child	89	1,213	320	553
209	Leukemia	30	1,210	462	483
210	commerce	26	1,166	290	268
211	Decision making	17	1,163	523	252
212	Manufacturing Processes	53	1,144	304	299
213	Parasitology	50	1,141	516	511
214	Health	36	1,139	628	543
215	Molecular cloning	36	1,136	150	182
216	Adolescent Medicine	5	1,128	568	243
217	Business	19	1,121	644	432
218	Epidemiology	66	1,097	842	1.3K
218	United Kingdom	29	1,097	511	548
220	Developmental Genetics	15	1,089	263	325
220	Genetic recombination	35	1,089	141	184
220	Recombinant DNA	35	1,089	196	220
223	Combinatorial chemistry	19	1,085	255	227
224	Gene expression regulation	16	1,081	379	343
225	drug development	13	1,080	488	474
226	Robotics	115	1,061	74	274
226	Neurosurgery	34	1,061	209	259
228	biological evolution	37	1,060	567	862
229	Histochemistry	76	1,055	59	171
230	Molecular structure	13	1,050	1.0K	596
231	cytokines	29	1,049	207	221
232	Alternative Medicine	63	1,048	183	251
233	Medical Physics	33	1,046	593	545
234	Medical innovations	10	1,039	575	547
235	free radicals	27	1,023	271	453
236	Medical Microbiology	28	1,017	908	1.0K
237	Zoology	92	1,012	307	561
238	Artificial Organs	42	988	94	65
239	Microbial Ecology	26	982	852	1.1K
240	energy conservation	14	978	623	389
241	plant molecular biology	24	974	601	761
242	Oxidation-reduction	17	970	221	328
243	Chemical analysis	119	967	38	192
244	Hemostasis	29	964	135	92
245	Photonics	41	963	496	696
246	viral genetics	10	949	211	280
247	Electrophoresis	42	948	276	345
247	Bacteriology	8	948	1.2K	665
249	Autoimmunity	32	946	94	191
250	Antioxidants	18	939	207	284
251	Ceramic materials	32	937	124	75
252	viruses	11	931	1.0K	791
253	Immunopharmacology	22	918	175	111
254	Pharmacognosy	62	916	182	464
255	Production Engineering	62	912	216	296
256	Digestive system diseases	51	910	134	226
257	Inflammation	20	904	413	329
258	Radio	17	901	693	466
259	human behavior	32	900	561	822
260	Engineering	64	897	647	787
261	rehabilitation	57	891	381	667
262	economic policy	107	888	129	345
263	Health Policy	26	877	818	671
264	Infertility	27	874	329	385
264	fertility	27	874	350	406
266	Microelectronics	38	863	446	787
267	cell interaction	27	862	231	258
268	Evolution	38	861	512	861
269	Astronomy	57	856	919	1.2K
270	Computer Graphics	40	841	274	334
271	Biosensors	20	828	349	455
272	Plant physiology	39	822	524	918
273	Environmental Engineering	10	820	2.6K	1.5K
274	biopolymers	32	819	315	359
275	Cybernetics	44	815	246	456
276	biological factors	39	812	380	540
277	Fiber Optics	41	804	153	191
278	Social Psychology	24	801	708	709
279	Geriatric Psychiatry	56	797	133	325
280	Proteomics	15	783	420	351
281	Obstetrics	45	779	733	951
282	Pharmacogenetics	26	775	285	346
283	Metallurgy	47	774	450	485
284	Linguistics	39	767	343	270
285	Atomic spectroscopy	48	764	88	141
286	Physical organic chemistry	33	763	288	307
287	Animal Behavior	42	762	398	707
288	complementary therapies	36	751	361	351
288	global environmental change	5	751	638	237
290	Quantum electronics	44	746	314	332
291	Environmental monitoring	18	743	1.7K	1.5K
292	natural products	56	731	226	493
293	Biological Systems	15	728	169	93
294	Investment analysis	4	716	281	57
295	Microcirculation	18	701	61	50
296	Gerontology	72	700	351	569
297	Industrial Engineering	26	699	578	557
298	visualization	55	692	227	215
299	East Asia	42	690	117	4
300	Nanoparticles	32	688	476	678
301	Diet	26	686	842	1.2K
302	RNA	15	683	209	223
303	Information Theory	23	682	425	400
304	enzymes	29	679	244	359
305	Parasitic Diseases	25	669	716	808
306	Plant genetic engineering	26	664	251	383
307	Graph Theory	68	660	22	39
307	Hormones	29	660	306	488
309	Biomolecules	19	655	89	166
310	Human-Computer Interaction	43	647	146	325
311	lasers	224	646	46	480
312	Cognitive Science	27	639	377	566
313	Plant cells	9	635	829	930
314	personality	5	631	907	477
315	Neuropharmacology	40	630	49	168
316	Clinical Psychology	16	620	793	839
316	United States	42	620	1.7K	2.1K
318	Astrocytes	14	615	203	276
319	Autoantibodies	21	607	99	157
319	Autoimmune diseases	21	607	122	175
321	Quantum Optics	39	601	112	184
321	Learning	33	601	249	417
321	Laser Spectroscopy	39	601	98	166
324	Orthopedic Surgery	30	598	196	304
325	animals	33	596	293	272
325	Vaccines	26	596	582	660
327	Surface-Active Agents	22	591	154	253
327	Surface properties	22	591	155	254
329	Plants	10	575	1.5K	1.1K
330	Cell death	21	572	519	797
331	Ethology	15	568	563	711
332	Neural circuitry	12	566	655	471
333	Food additives	36	556	98	244
334	primary prevention	33	555	42	65
335	Bone diseases	5	541	431	261
336	Light	14	533	468	762
337	Ventilation	10	532	230	138
338	air quality management	9	528	138	110
339	Evidence-Based Medicine	20	518	347	244
340	Cognitive neuroscience	14	515	477	589
341	embryo transfer	25	511	76	93
342	Diagnostic microbiology	10	510	918	1.1K
342	environmental pollution	18	510	2.0K	2.2K
342	indoor air pollution	8	510	193	120
342	Sick building syndrome	8	510	193	120
346	Physical Therapy	23	509	457	658
347	Information Technology	139	508	57	751
348	finance	63	506	294	773
349	Magnetic Materials	70	502	166	587
350	Psycholinguistics	18	501	322	368
351	Computer Science	107	498	72	415
352	DNA polymerases	7	493	310	465
353	Muscles	20	489	307	463
354	Perception	17	486	322	348
355	Metastasis	5	485	120	131
355	Molecular evolution	21	485	498	788
357	Radiation	36	482	334	554
358	Clinical Immunology	21	479	424	534
359	Energy Conversion	11	474	697	860
359	preimplantation genetic diagnosis	20	474	94	92
359	Metals	39	474	429	558
362	cardiac catheterization	30	467	225	286
363	Superconductors	41	456	201	229
364	Green Chemistry	19	454	766	1.1K
365	Chromatographic analysis	24	453	613	613
366	Obesity	25	448	804	1.3K
367	industrial hygiene	34	444	193	226
368	Thin Films	23	442	93	98
369	Plant Genetics	18	440	241	465
369	environmental protection	7	440	2.6K	1.7K
371	Geophysics	25	437	1.5K	1.9K
371	Microbial Biotechnology	9	437	471	279
373	Diagnostic Imaging	38	432	519	975
374	Economic Development	21	427	392	590
375	sanitation	6	426	1.5K	1.4K
376	Antigens	16	414	285	332
377	Systems Engineering	55	412	262	700
377	Sociology	46	412	620	1.2K
379	preventive medicine	9	410	787	626
380	Respiratory Infections	12	408	111	73
380	tomography	6	408	338	104
382	Environmental Chemistry	3	406	2.8K	1.4K
383	drugs	42	404	310	816
384	Chromosomes	15	403	308	430
385	Social Sciences	29	400	1.1K	1.1K
386	Social behavior	10	399	644	598
387	Sports Medicine	73	394	529	1.3K
388	Econometrics	36	392	276	551
388	Morphology	9	392	484	277
390	Respiratory system	15	387	205	253
391	Heart Failure	9	386	266	328
392	Health Services Administration	9	385	647	475
392	Sports	45	385	643	1.0K
392	Carbohydrates	29	385	49	202
395	Environmental Policy	19	384	1.1K	1.9K
395	Blood vessels	6	384	155	47
397	Bones	14	380	254	413
398	Engineering Mathematics	32	379	664	711
398	Numerical Analysis	26	379	721	720
400	Europe	56	373	733	1.4K
401	Image Processing	26	369	586	1.0K
402	General Surgery	8	366	438	208
402	Organometallic compounds	11	366	754	600
402	Electrophysiology	16	366	507	508
405	Anthropology	39	364	382	535
405	Planets	25	364	762	1.2K
407	Animal welfare	51	362	15	89
408	Hematopoietic stem cell transplantation	14	357	125	244
409	Computational Chemistry	17	356	215	406
409	Biopharmaceutics	6	356	960	517
411	Combinatorial analysis	38	355	106	118
412	Mobile Computing	18	354	340	377
412	Intelligence	8	354	133	130
414	Probability	19	353	267	323
415	Combustion	23	351	247	295
416	Lipids	11	350	736	853
417	amino acids	8	344	306	230
418	Electromagnetism	31	342	193	388
419	Developing countries	19	340	609	719
420	Health promotion	7	338	1.3K	829
421	Immunogenetics	16	337	295	407
422	environmental exposure	17	335	708	990
423	Sustainable Engineering	14	333	787	999
423	computer networks	36	333	440	916
425	Bioelectronics	6	332	705	791
426	Nuclear Medicine	19	331	404	575
426	Internet of Things	18	331	298	393
426	internet	18	331	420	516
429	Algae	22	329	261	468
429	Quantum theory	42	329	97	313
431	gene transfer	8	326	108	92
431	genetic transformation	8	326	108	92
433	rare diseases	7	324	498	337
434	Control Theory	21	323	640	754
435	Nutrition physiology	6	321	580	456
436	Thermodynamics	26	319	95	109
437	Simulation	3	318	194	45
437	theoretical models	3	318	194	45
439	pain	16	315	769	1.2K
440	Neuromuscular diseases	15	314	312	454
441	Thorax	10	313	258	323
442	Medical Technology	9	309	1.1K	837
443	Crystallography	90	308	173	556
444	Nanochemistry	21	306	250	299
445	Mental Health Services	11	305	791	646
445	Small Business	6	305	453	567
447	locomotion	14	304	139	232
447	posture	14	304	139	232
447	gait	14	304	139	232
447	walking	14	304	139	232
451	Environmental Toxicology	6	302	2.1K	1.8K
452	Environmental Management	11	301	1.4K	1.9K
453	Clinical Pharmacology	22	300	358	611
454	North America	3	296	797	202
454	Virulence	10	296	794	1.3K
456	Energy Policy	7	294	1.1K	1.0K
457	Solid State Chemistry	34	292	377	783
457	Primary health care	20	292	664	846
459	actuators	16	291	425	653
459	transducers	16	291	425	653
461	Bacteria	2	290	432	232
462	Yeast	9	289	247	285
463	Vision	10	286	298	352
463	Human biology	16	286	201	244
465	Photochemistry	16	282	549	768
466	disease outbreaks	5	281	508	370
466	Steroids	12	281	334	453
466	Epidemics	5	281	475	367
469	Andrology	26	275	132	343
469	health services	8	275	740	583
469	Kidney diseases	17	275	401	644
472	Heterocyclic compounds	27	274	221	258
473	China	27	270	833	1.2K
474	Measurement	5	269	685	294
475	Risk Management	8	268	408	337
476	Particle Physics	4	266	623	171
476	Social policy	9	266	529	358
478	Drug delivery systems	8	265	853	1.0K
478	Hippocampus	6	265	238	283
480	Environmental Microbiology	7	264	1.0K	1.2K
480	Lung Transplantation	10	264	450	357
480	Heart transplantation	10	264	450	357
483	Emergency Medical Services	12	261	451	301
483	vibration	30	261	195	410
483	Technological Innovations	11	261	353	291
483	Composite Materials	12	261	1.0K	1.1K
483	blood transfusion	17	261	374	567
483	System analysis	23	261	723	1.1K
489	nucleotides	12	257	137	60
489	Elementary particles	2	257	37	46
491	Data Mining	12	255	694	952
491	gastrointestinal tract	3	255	373	188
493	Occupational Health	20	254	382	497
493	fuel cells	11	254	779	1.0K
493	eugenics	4	254	720	344
496	Analytical Biochemistry	12	253	720	851
496	marketing	8	253	1.0K	974
498	Dynamics	19	252	567	654
498	Food	9	252	2.2K	2.1K
500	occupational diseases	18	251	351	592
500	Electron Microscopy	20	251	61	163
500	isomerism	8	251	172	107
500	Chirality	8	251	172	107
504	Health Services Research	15	250	822	1.0K
505	Bioinorganic chemistry	9	249	887	838
506	Clinical Biochemistry	9	247	681	672
507	brain mapping	7	246	597	648
508	Nuclear Fusion	17	245	187	211
509	Public Policy	12	242	786	943
509	Palliative Care	17	242	313	457
511	industrial relations	13	240	348	330
512	hazard mitigation	8	237	469	467
513	Ergonomics	24	236	309	463
514	Synchrotron Radiation	14	235	151	170
515	emergency management	12	234	299	328
516	Telecommunication Systems	27	231	303	550
517	Developmental Psychology	10	229	571	758
518	city planning	25	228	386	731
519	hospice care	13	227	187	183
520	Behavioral Genetics	3	226	303	215
520	Virtual reality	13	226	89	169
520	Cardiac electrophysiology	3	226	399	293
520	Electrochemical Analysis	10	226	492	493
520	arrhythmia	3	226	399	293
525	Discrete Mathematics	29	225	22	21
525	graph	29	225	22	21
527	drug evaluation	19	224	401	835
528	alcoholism	14	223	770	1.1K
529	Intelligent Transportation Systems	9	222	559	579
529	Personality Disorders	2	222	352	142
531	Developmental Immunology	5	220	675	498
532	Boundary Value Problems	3	219	832	315
532	Antenna Arrays	3	219	579	293
532	Sleep	16	219	806	1.2K
535	Tribology	24	218	238	469
535	Wireless Communication	13	218	97	98
535	eye	3	218	190	292
538	Retina	2	217	194	284
539	Tropical Medicine	15	216	847	1.1K
540	energy resources	4	215	596	677
541	Brachytherapy	21	214	62	79
542	Chromatography	15	213	736	943
542	Ultrasonics	17	213	335	778
542	calcification	10	213	313	496
542	Parasites	14	213	691	907
546	Regional Planning	18	212	609	881
547	Histocompatibility Testing	5	211	284	162
547	Gastrointestinal diseases	13	211	250	330
549	Radioisotopes	12	209	473	376
550	glycoproteins	17	208	133	413
550	Glycoconjugates	17	208	133	413
550	glycolipids	17	208	133	413
553	Developmental Neurobiology	12	205	206	326
554	Detectors	22	204	397	704
555	Semiconductors	18	203	375	465
556	Behavioral research	3	202	502	121
556	Autism	14	202	252	541
558	Soft Condensed Matter	16	199	516	822
559	mammals	7	198	801	668
560	Hydrology	9	197	1.6K	1.6K
560	Emergency Medicine	19	197	701	958
560	Microscopy	12	197	1.1K	857
563	Plastics	10	196	1.0K	888
564	Organometallic chemistry	12	194	844	925
564	Entomology	15	194	1.3K	1.4K
566	Microfluidics	5	193	185	140
567	cell movement	3	191	315	251
568	Fracture mechanics	15	190	375	572
568	embryonic development	13	190	168	337
570	Computer Vision	12	189	349	768
571	International Finance	19	188	316	665
571	data collection	6	188	818	827
573	Cell communication	8	187	535	699
574	older people	49	186	335	875
574	Endocrine system	21	186	280	132
576	micromechanics	13	185	153	308
576	Parenteral nutrition	9	185	759	1.1K
578	Nuclear Engineering	17	182	671	719
578	Calculus of Variations	7	182	335	198
580	Quality of life	13	181	671	1.3K
581	Building	31	180	126	245
582	sustainability	4	179	732	735
582	Development	9	179	318	472
584	Plant Biotechnology	5	178	706	646
585	Nephrology	4	177	689	647
585	Bioenergetics	3	177	763	601
585	Oxidative stress	4	177	1.2K	1.2K
585	Energy metabolism	3	177	529	467
589	food technology	4	176	2.3K	1.8K
590	Pediatric Hematology	10	175	199	146
590	Sarcopenia	5	175	292	396
590	mathematical analysis	28	175	697	863
593	Community Psychiatry	6	173	926	987
593	Herbal medicine	7	173	254	422
593	Adolescent	28	173	649	1.6K
593	innovation	2	173	773	428
593	research and development	2	173	557	286
598	Number Theory	38	172	54	121
598	Sleep Disorders	15	172	857	1.4K
598	Enteral nutrition	6	172	762	857
598	optical instruments	7	172	299	319
598	Australia	15	172	843	1.2K
603	Molecular Pharmacology	5	171	876	965
603	Mechanics	15	171	511	649
605	Eating Disorders	9	170	587	739
605	Feeding and Eating Disorders	9	170	559	704
607	Demography	8	169	445	560
607	Library Science	159	169	9	299
609	monitoring	5	168	216	86
610	disabilities	16	166	256	554
611	Mental Health	11	165	932	1.2K
611	Developmental Disabilities	10	165	588	971
613	Parallel Processing	10	164	199	353
614	Audiology	12	163	436	618
615	econometric models	4	161	143	117
616	mutation	13	160	130	467
616	Membranes	7	160	950	1.3K
618	Stochastic Processes	20	158	227	468
619	Power Electronics	15	157	457	927
619	Liquid Crystals	31	157	237	392
621	cross-cultural comparison	18	156	70	231
622	Optical Communications	16	155	285	423
622	Psychosomatic Medicine	12	155	334	758
622	Organelle biogenesis	7	155	116	159
625	Computer Architecture	13	152	99	132
625	drug addiction	4	152	1.3K	1.1K
627	Smart Materials	13	151	234	452
627	Synapses	5	151	264	323
629	Protein engineering	4	150	240	249
629	molecular design	4	150	246	247
631	Development Economics	12	149	149	397
632	Atmospheric Chemistry	5	148	892	1.1K
632	Cell migration	1	148	253	91
632	Cell adhesion	1	148	438	152
635	Neuropsychiatry	14	147	458	911
636	Thermochemistry	9	146	56	72
636	Plant hormones	10	146	125	274
638	Cognitive Radio Networks	5	145	95	72
639	Sonochemistry	8	144	227	607
640	Pharmacokinetics	8	142	525	732
641	liver	9	141	151	182
642	Cardiovascular Pharmacology	6	140	170	179
642	Animal genetics	3	140	639	451
644	Raman spectroscopy	2	139	1.0K	532
644	biochemical markers	9	139	468	607
646	Music	6	138	700	450
646	Bipolar Disorder	5	138	361	467
646	Food preferences	1	138	449	149
649	Insects	11	137	833	1.1K
650	cell membrane	1	136	765	494
651	Software Maintenance	2	135	290	75
652	Anxiety Disorders	3	133	608	729
652	mass transfer	3	133	1.1K	723
652	Anxiety	3	133	613	732
652	Carbon	15	133	239	893
652	Microorganisms	5	133	1.2K	1.6K
652	organization	3	133	728	725
652	Emotions	1	133	1.1K	637
659	touch	4	132	79	60
659	Exercise	11	132	777	1.1K
661	health planning	11	131	709	1.2K
661	Menopause	5	131	308	339
663	Microfabrication	12	129	106	261
663	Molecular Imaging	11	129	438	858
663	Socioeconomic Factors	6	129	532	624
663	Seaweed	7	129	460	665
667	Analytical Toxicology	2	128	391	193
668	Language Acquisition	4	127	494	422
668	Informatics	12	127	396	836
670	Marine Biology	11	126	1.5K	2.3K
670	color	4	126	251	143
670	DNA	5	126	501	462
673	Geochemistry	14	124	748	1.3K
673	Turbulence	10	124	95	148
675	particles	11	123	274	522
675	Hearing	6	123	593	678
677	Mineralogy	7	122	1.1K	1.2K
678	Biodiversity	19	121	1.0K	2.3K
679	Mycology	14	120	761	1.5K
679	Pancreatic diseases	5	120	225	265
681	Teratology	4	119	364	422
681	Malaria	1	119	1.5K	730
681	Communication	18	119	736	1.5K
684	Rheology	23	118	143	506
685	Structural design	6	117	377	425
685	Luminescence	8	117	352	390
685	Chronic diseases	2	117	984	887
688	Structural Engineering	34	116	254	835
688	Neurotransmitters	14	116	144	427
690	Pharmaceutical Technology	11	115	892	1.6K
690	Nanophotonics	3	115	381	328
690	Tourism	6	115	996	1.2K
690	Oligosaccharide	6	115	218	454
690	Longevity	9	115	44	179
690	rejuvenation	9	115	29	146
690	Phylogeny	5	115	749	891
697	soil microbiology	3	114	1.5K	1.8K
697	Ergodic Theory	11	114	122	171
697	Human evolution	6	114	276	426
697	medical education	20	114	733	1.7K
701	Political Science	17	113	945	1.2K
701	Antibodies	4	113	490	523
703	Architecture	40	112	67	286
703	pain management	5	112	650	654
705	Asthma	6	110	584	640
705	Energy Storage	9	110	798	1.2K
705	Iron	8	110	274	325
708	Game Theory	22	109	57	278
708	Growth factors	2	109	391	461
710	Discourse Analysis	3	108	361	271
710	Bilingualism	1	108	507	235
712	Nursing	11	107	1.1K	1.5K
712	Cross-Cultural Studies	17	107	63	314
714	Family	3	106	1.1K	884
714	Money	3	106	137	206
716	blood substitutes	8	105	28	39
716	Strategic planning	3	105	796	634
716	Protozoa	6	105	277	446
716	artificial cells	8	105	43	43
720	Education	15	104	2.0K	2.6K
720	Earthquake Engineering	4	104	858	832
720	Marriage	1	104	1.1K	467
720	Porous materials	3	104	898	514
720	chromatin	2	104	248	221
725	Nanomanufacturing	10	103	15	13
725	Chemical processes	7	103	399	516
725	mathematical concepts	3	103	454	228
725	Primates	11	103	394	726
729	Atmospheric Physics	5	102	1.4K	1.7K
729	Animal ecology	2	102	1.7K	1.3K
729	Input-output analysis	8	102	98	252
732	Structural dynamics	3	101	819	780
732	protein	7	101	1.0K	1.4K
734	Ferroelectricity	8	100	751	711
734	Organ transplantation	9	100	271	317
734	catalytic activity	9	100	397	794
734	Credit	2	100	166	153
738	Pediatric Endocrinology	17	99	87	229
738	Morphogenesis	5	99	17	77
738	Organogenesis	5	99	11	58
741	Randomized Controlled Trials	7	97	958	1.0K
741	Metabolic disorders in children	15	97	75	189
743	Cosmology	8	96	827	846
743	Neuroendocrinology	1	96	247	255
743	Alzheimer's disease	31	96	615	1.3K
746	Radiography	5	95	814	1.1K
746	Infections	11	95	673	1.8K
746	international trade	7	95	316	380
749	Product Design	6	94	187	199
749	Total Quality Management	3	94	422	297
749	Mobile genetic elements	1	94	259	108
749	Environmental Geochemistry	1	94	1.3K	451
749	vitamin C	4	94	386	635
749	Minerals	1	94	1.6K	681
749	vitamin E	4	94	386	635
756	Depression	2	93	638	716
756	Regional Development	7	93	158	277
756	Development planning	7	93	129	253
756	Oligosaccharides	11	93	69	303
756	Economic planning	7	93	157	327
761	Speech Disorders	6	92	796	1.0K
761	Multimedia Systems	9	92	998	1.2K
761	Elderly	44	92	293	838
764	Educational Psychology	11	91	713	1.2K
764	Radiochemistry	19	91	395	757
764	Memory	4	91	647	759
767	Radiology	15	90	681	1.3K
767	Philosophy	12	90	1.0K	813
767	Functional equations	14	90	28	82
767	Microwaves	5	90	1.3K	1.2K
767	synthesis	11	90	529	784
767	Fisheries	9	90	921	1.4K
773	Oral Medicine	5	89	558	404
773	Electroconvulsive therapy	7	89	47	100
773	human development	5	89	674	927
773	Solar System	1	89	1.0K	625
777	Applied Linguistics	6	87	404	402
777	analysis	4	87	350	408
779	Systems Theory	4	86	505	295
779	Phonetics	4	86	269	233
779	Process Control	2	86	465	540
779	Diagnosis	5	86	592	573
783	Humanities	9	85	1.0K	873
783	Radiation Oncology	6	85	304	477
783	Shock Waves	8	85	100	153
783	fishing industry	6	85	126	147
787	Macroeconomics	12	84	101	295
787	Architectural Design	23	84	53	204
787	Nuclear Chemistry	16	84	388	719
787	Entropy	7	84	757	849
787	Fertilizers	1	84	784	446
787	Electromagnetic fields	24	84	25	88
787	optical devices	13	84	137	381
794	Otolaryngology	13	83	271	711
794	Hydraulic machinery	11	83	30	65
794	Molecular Spectroscopy	9	83	799	1.5K
794	cell adhesion molecules	4	83	587	822
798	auditory perception	2	82	418	399
799	Synthetic biology	5	81	281	401
800	Oxidation	2	80	261	179
800	Ore deposits	4	80	348	433
800	Information Science	15	80	647	1.9K
803	language	6	79	654	961
804	Environmental Geology	8	78	814	1.5K
804	consumer behavior	4	78	455	642
806	Engineering Geology	2	77	1.7K	1.3K
806	Computer-Aided Design	9	77	550	1.1K
806	Renewable Energy Sources	3	77	2.1K	2.8K
806	Freeze-Drying	4	77	199	297
806	Hypothermia	4	77	199	297
806	Freeze Drying	4	77	199	297
806	Invertebrates	5	77	340	479
806	Psychiatric hospitals	1	77	991	534
814	Drug design	5	76	1.6K	2.3K
814	Autonomous robots	1	76	429	284
816	Medicinal plants	2	75	1.9K	1.6K
817	Geography	22	74	847	2.3K
817	Labor Economics	9	74	96	228
817	Medical Anthropology	7	74	776	1.7K
817	Mortgages	3	74	198	244
821	Antibacterial agents	4	73	530	919
821	behavior therapy	7	73	558	968
823	Climatology	2	72	2.4K	2.2K
823	Marine Biotechnology	3	72	270	389
823	Crystallization	6	72	430	429
823	biomedicine	3	72	1.2K	1.2K
823	Metrology	6	72	54	37
828	Comparative Physiology	2	71	992	949
828	ethanol	10	71	189	573
828	Women's health	5	71	1.3K	1.6K
831	Geriatric Pharmacology	2	70	498	542
831	Biomass Energy	3	70	2.4K	2.9K
831	Wildlife conservation	2	70	1.3K	1.1K
831	biofuels	3	70	352	715
831	transgenic organisms	5	70	189	499
831	transgenic animals	5	70	177	487
831	Biomarkers	4	70	393	422
831	Transgenic plants	5	70	403	833
831	Molecular ecology	4	70	1.2K	2.0K
831	Environmental pollutants	3	70	2.6K	2.9K
831	Physical fitness	7	70	841	1.4K
831	Consciousness	4	70	396	463
843	Synaptic Transmission	5	69	453	792
843	Peroxisomes	3	69	85	141
843	Cheminformatics	5	69	284	623
846	Chronobiology	2	68	692	532
846	Systems Analysis	6	68	806	1.2K
846	Public Health Administration	3	68	588	383
846	Quality Management	1	68	446	126
846	Biochemical Genetics	2	68	664	347
846	biological clocks	2	68	692	532
846	Electrocardiography	4	68	285	249
846	Simulation Methods	8	68	128	310
846	circadian rhythm	2	68	692	532
846	biological rhythms	2	68	646	520
846	Diplomatic relations	5	68	626	348
857	Microeconomics	6	67	220	400
857	Circadian rhythms	1	67	730	478
857	Biometrics	8	67	839	1.4K
857	Earth Sciences	4	67	3.1K	3.1K
861	Neuroplasticity	6	65	251	601
861	neuronal plasticity	6	65	176	520
863	International Relations	4	64	1.5K	997
863	foreign policy	3	64	301	135
865	Public Administration	2	63	2.0K	1.2K
866	Food Microbiology	15	62	469	2.0K
866	Social welfare	3	62	720	629
866	Superconductivity	6	62	198	331
866	risk factors	7	62	565	1.1K
866	bioluminescence	4	62	316	265
866	Social environment	2	62	406	360
866	social science	2	62	246	323
866	fusion reactors	5	62	246	224
874	Respiratory Therapy	10	61	8	54
874	Geometry	19	61	423	778
874	Geographic information systems	6	61	794	1.0K
874	gases	10	61	8	54
874	musculoskeletal system	2	61	225	234
879	Molecular Microbiology	2	60	1.4K	1.8K
879	Educational Technology	8	60	927	1.6K
879	Terahertz Technology	5	60	101	187
879	Drosophila	3	60	32	41
883	Genetic disorders	6	59	466	864
883	Ethnology	4	59	1.5K	1.3K
883	scientific societies	6	59	643	1.2K
886	Reproductive health	6	58	597	1.1K
886	Quantum Communication	4	58	177	303
886	dietary supplements	4	58	410	773
886	Ultrasound	4	58	620	872
890	Transportation	4	57	1.3K	1.6K
890	biological agents	14	57	191	245
890	Navier-Stokes equations	6	57	61	97
893	Medicinal Chemistry	1	56	3	10
893	Information Systems	8	56	817	1.8K
893	Rock Mechanics	1	56	1.3K	831
893	Drug delivery devices	1	56	600	564
893	Human Resources	3	56	477	781
893	Cytokine	4	56	381	806
893	Agriculture	2	56	3.3K	2.8K
900	Food Policy	1	55	466	354
900	Mutagenesis	11	55	144	612
900	agricultural policy	1	55	189	202
900	animal diseases	2	55	738	655
900	Dementia	29	55	627	1.5K
900	world	1	55	809	706
906	Algebra	4	54	1.3K	836
906	epilepsy	4	54	1.0K	1.3K
906	Sound	9	54	612	1.1K
906	X-ray crystallography	5	54	605	723
910	Economic Theory	2	53	172	150
910	Pacific Islands	7	53	161	292
910	coal	2	53	940	1.2K
913	Functional Analysis	11	52	257	536
913	Neuroimaging	5	52	216	386
913	Cellular senescence	1	52	1.7K	1.5K
913	Plasma chemistry	3	52	479	568
913	optical phenomena	5	52	75	177
918	Energy Harvesting	2	51	639	929
918	toxicity testing	1	51	1.6K	1.2K
920	Neurolinguistics	2	50	407	506
920	Mining Geology	6	50	49	106
920	Plasma polymerization	2	50	408	412
920	Classification	12	50	98	406
920	Brain damage	3	50	559	821
920	Speech	2	50	1.1K	1.2K
926	Law	20	49	608	977
926	Political Participation	2	49	282	262
926	Industrial Policy	1	49	832	520
926	cataloging	11	49	30	36
926	Cerebellum	4	49	268	507
926	Cerebellar ataxia	4	49	268	507
932	Plant Taxonomy	7	48	318	627
932	Statistical Mechanics	6	48	703	869
932	nuclear magnetic resonance spectroscopy	5	48	732	949
932	ovary	3	48	229	336
936	Semantics	2	47	415	303
936	Social Security	1	47	172	46
936	Mitochondria	2	47	334	500
936	explosives	3	47	289	214
940	Special Education	10	46	409	892
940	Machine Learning	6	46	223	525
940	Energy Consumption	1	46	791	675
940	Political Parties	2	46	274	264
940	Pituitary gland	2	46	340	411
940	Fungi	8	46	502	1.3K
940	Breeding	4	46	1.3K	1.9K
947	Experimental Psychology	9	45	344	811
947	Quantum Computing	3	45	209	248
947	Integrated Circuits	10	45	424	598
947	Reproductive toxicology	5	45	278	715
947	optical pattern recognition	5	45	81	82
952	Genetic Toxicology	4	44	335	848
952	Melanoma	1	44	529	502
952	Parenting	1	44	127	129
952	Child rearing	1	44	127	129
956	Economic Geography	3	43	391	518
956	Quality Control	6	43	1.2K	2.2K
956	Cytoskeleton	2	43	424	586
956	Risk	2	43	902	1.1K
956	cell proliferation	4	43	363	654
961	Chemical Ecology	1	42	1.1K	1.1K
961	Criminal psychology	4	42	760	1.1K
961	Tissue Engineering	5	42	239	534
961	Forensic Psychiatry	4	42	552	770
961	Health Education	4	42	2.0K	2.7K
961	pheromones	1	42	996	1.0K
967	Neurogenetics	2	41	673	826
967	Erectile dysfunction	1	41	574	433
967	Infection control	3	41	1.2K	1.6K
967	drug resistance	3	41	817	1.3K
967	Genetic testing	2	41	593	461
972	Genetic markers	3	40	323	516
972	population trends	1	40	200	281
972	Demographic research	1	40	295	347
972	Aquaculture	1	40	2.0K	1.4K
976	Logic	5	39	360	410
976	Telemedicine	2	39	661	871
976	Microprocessors	5	39	185	429
976	Granular materials	1	39	781	633
980	Nondestructive testing	1	38	1.2K	694
980	Computational Linguistics	7	38	253	547
980	Structural health monitoring	1	38	411	364
980	Solar Energy	2	38	1.4K	1.7K
980	structural stability	1	38	740	557
980	Fractals	2	38	868	941
980	Phytotherapy	2	38	1.3K	1.6K
980	Jurisprudence	4	38	1.1K	1.4K
980	Population	8	38	543	1.4K
980	Plasma devices	5	38	152	345
990	Traffic Engineering	1	37	840	732
990	Drug targeting	2	37	482	753
990	Lipid metabolism	3	37	422	903
990	voice	2	37	710	705
990	Land use	4	37	882	1.6K
990	Ultrasonic Imaging	8	37	201	749
990	behavior modification	1	37	659	691
990	Lipid	3	37	422	903
998	Language Disorders	2	36	1.2K	1.3K
998	Kinetics	2	36	823	814
998	Immunochemistry	4	36	931	1.5K

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Keio University

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