1-20 (of 3,775 disciplines)
| # | Discipline | Articles | Citations | h-index |
|---|---|---|---|---|
| 1 | Physics | 2.1M | 63.5M | 1,879 |
| 2 | Science | 3.9M | 62.3M | 1,780 |
| 3 | Chemistry | 2.9M | 61.4M | 1,424 |
| 4 | Biochemistry | 1.6M | 59.4M | 1,147 |
| 5 | Biology | 1.8M | 55.6M | 1,786 |
| 6 | Medicine | 4.2M | 51.0M | 1,627 |
| 7 | Molecular Biology | 746.7K | 34.1M | 1,121 |
| 8 | Neurology | 696.0K | 31.9M | 999 |
| 9 | Microbiology | 706.9K | 26.4M | 886 |
| 10 | Natural history | 580.8K | 24.8M | 1,625 |
| 11 | Cytology | 350.8K | 24.0M | 1,212 |
| 12 | Cell Biology | 315.4K | 23.0M | 1,220 |
| 13 | Ecology | 483.8K | 20.4M | 931 |
| 14 | Research | 3.0M | 20.2M | 756 |
| 15 | Materials | 671.8K | 18.6M | 864 |
| 16 | Psychology | 591.2K | 15.8M | 1,095 |
| 17 | Virology | 178.7K | 14.7M | 1,117 |
| 18 | Immunology | 325.2K | 14.3M | 847 |
| 19 | United States | 1.2M | 14.1M | 824 |
| 20 | Biotechnology | 423.2K | 13.8M | 833 |