Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Distribution of publications by subject.
| Subject | Frequency of publications (%) |
|---|---|
| Medicine | 24546 (54.3) |
| Biochemistry, genetics and molecular biology | 8568 (19.0) |
| Pharmacology, toxicology and pharmaceutics | 4531 (10.0) |
| Immunology and microbiology | 2743 (6.1) |
| Dentistry | 1970 (4.3) |
| Neuroscience | 1197 (2.7) |
| Psychology | 325 (0.7) |
| Nursing | 708 (1.6) |
| Health professions | 600 (1.3) |
