| # | Category | Entries |
|---|---|---|
| 1 | Autism | 228 |
| 2 | Cancer | 909 |
| 3 | Clinical Medicine | 981 |
| 4 | Healthcare | 6886 |
| 5 | Laboratory | 3967 |
| 6 | Medical Physics | 216 |
| 7 | Pediatric | 329 |
| 8 | Prevention | 309 |
| 9 | Psychiatry | 270 |
| 10 | Radiology | 48 |
| 11 | Surgical | 745 |
| 12 | Therapeutics | 149 |
| 13 | Diseases | 1417 |
| 14 | Human Genome | 2171 |
| 15 | Orthopaedic | 190 |
| 16 | Prescription | 536 |
| 17 | Veterinary | 2417 |
| 18 | Geriatric | 64 |
| 19 | Hospitals | 4928 |
| 20 | Optometry | 105 |
| 21 | Physiology | 8423 |
| 22 | Pregnancy & Parenting | 161 |
| 23 | Rehabilitation | 700 |
| 24 | British Medicine | 11059 |
| 25 | Cardiology | 344 |
| 26 | Dental | 768 |
| 27 | Disability | 714 |
| 28 | Drugs | 980 |
| 29 | Neurology | 358 |
| 30 | Nursing | 1277 |
| 31 | Oncology | 1204 |
| 32 | Pharmacy | 341 |
| 33 | Syndromes | 530 |
| 34 | Therapy | 890 |
| 35 | Transplantation | 170 |
| 36 | Urology | 50 |
| 37 | Vaccine | 172 |