1

美国(USA)

35685

28.773

2

中国(PEOPLES R CHINA)

20837

16.801

3

英格兰(ENGLAND)

11306

9.116

4

意大利(ITALY)

9283

7.485

5

德国(GERMANY)

8456

6.818

6

澳大利亚(AUSTRALIA)

8004

6.454

7

加拿大(CANADA)

7279

5.869

8

法国(FRANCE)

6251

5.04

9

印度(INDIA)

5187

4.182

10

西班牙(SPAIN)

5081

4.097

11

日本(JAPAN)

4593

3.703

12

荷兰(NETHERLANDS)

4461

3.597

13

巴西(BRAZIL)

3737

3.013

14

瑞士(SWITZERLAND)

3154

2.543

15

韩国(SOUTH KOREA)

2962

2.388

16

伊朗(IRAN)

2893

2.333

17

比利时(BELGIUM)

2419

1.95

18

波兰(POLAND)

2292

1.848

19

瑞典(SWEDEN)

2187

1.763

20

丹麦(DENMARK)

1873

1.51

1

UNIVERSITY   OF CALIFORNIA SYSTEM

3180

2.564

2

UNIVERSITY   OF LONDON

2708

2.183

3

HARVARD   UNIVERSITY

2702

2.179

4

CENTRE   NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS

2240

1.806

5

CHINESE ACADEMY OF SCIENCES

1949

1.571

6

INSTITUT   NATIONAL DE LA SANTE ET DE LA RECHERCHE MEDICALE INSERM

1930

1.556

7

UNIVERSITY   OF TEXAS SYSTEM

1847

1.489

8

UNIVERSITY   OF TORONTO

1783

1.438

9

HARVARD   MEDICAL SCHOOL

1757

1.417

10

UNIVERSITY   COLLEGE LONDON

1372

1.106

11

UNIVERSITY   OF SYDNEY

1203

0.97

12

UNIVERSITY   OF MELBOURNE

1165

0.939

13

JOHNS   HOPKINS UNIVERSITY

1159

0.935

14

ASSISTANCE   PUBLIQUE HOPITAUX PARIS APHP

1135

0.915

15

PENNSYLVANIA   COMMONWEALTH SYSTEM OF HIGHER EDUCATION PCSHE

1129

0.91

16

STATE   UNIVERSITY SYSTEM OF FLORIDA

1122

0.905

17

MAYO   CLINIC

1042

0.84

18

UNIVERSITY   OF OXFORD

1037

0.836

19

IMPERIAL   COLLEGE LONDON

990

0.798

20

HELMHOLTZ   ASSOCIATION

982

0.792

1

CHEMISTRY

12964

10.453

2

BIOCHEMISTRY   MOLECULAR BIOLOGY

9915

7.994

3

PHARMACOLOGY   PHARMACY

9831

7.927

4

NEUROSCIENCES   NEUROLOGY

9532

7.686

5

ONCOLOGY

7052

5.686

6

GENERAL   INTERNAL MEDICINE

6845

5.519

7

ENGINEERING

6099

4.918

8

MATERIALS   SCIENCE

5877

4.739

9

CELL   BIOLOGY

5347

4.311

10

SCIENCE   TECHNOLOGY OTHER TOPICS

4909

3.958

11

ENVIRONMENTAL   SCIENCES ECOLOGY

4855

3.915

12

IMMUNOLOGY

4534

3.656

13

SURGERY

4322

3.485

14

CARDIOVASCULAR   SYSTEM CARDIOLOGY

3901

3.145

15

PHYSICS

3738

3.014

16

RESEARCH   EXPERIMENTAL MEDICINE

3617

2.916

17

ENDOCRINOLOGY   METABOLISM

3494

2.817

18

BIOTECHNOLOGY   APPLIED MICROBIOLOGY

3084

2.487

19

PSYCHIATRY

2528

2.038

20

PUBLIC   ENVIRONMENTAL OCCUPATIONAL HEALTH

2361

1.904

1

INTERNATIONAL   JOURNAL OF MOLECULAR SCIENCES

1941

1.565

2

MEDICINE

1041

0.839

3

FRONTIERS   IN IMMUNOLOGY

996

0.803

4

CANCERS

648

0.522

5

CELLS

577

0.465

6

NUTRIENTS

558

0.45

7

MOLECULES

508

0.41

8

JOURNAL   OF CELLULAR PHYSIOLOGY

469

0.378

9

WORLD   NEUROSURGERY

453

0.365

10

JOURNAL   OF CLINICAL MEDICINE

437

0.352

11

FRONTIERS   IN ONCOLOGY

427

0.344

12

COCHRANE   DATABASE OF SYSTEMATIC REVIEWS

417

0.336

13

BMJ   OPEN

410

0.331

14

FRONTIERS   IN PHARMACOLOGY

399

0.322

15

TRAC   TRENDS IN ANALYTICAL CHEMISTRY

381

0.307

16

CURRENT   MEDICINAL CHEMISTRY

379

0.306

17

RENEWABLE   SUSTAINABLE ENERGY REVIEWS

364

0.293

18

INTERNATIONAL   JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH

351

0.283

19

CRITICAL   REVIEWS IN FOOD SCIENCE AND NUTRITION

343

0.277

20

FRONTIERS   IN ENDOCRINOLOGY

340

0.274