| Anabolic Agents for Systemic Use | Not Available | 12 | 54 | Details |
| Anabolic Steroids | Not Available | 13 | 78 | Details |
| Analgesics | Compounds that show activity in animal models of human PAIN such as tail flick and hot ... more | 316 | 1882 | Details |
| Analgesics and Anesthetics | Not Available | 4 | 54 | Details |
| Analgesics, meperidine derivatives | Not Available | 0 | 0 | Details |
| Analgesics, Non-Narcotic | A subclass of analgesic agents that typically do not bind to OPIOID RECEPTORS and are n... more | 186 | 1092 | Details |
| Analogs/Derivatives | Not Available | 5 | 15 | Details |
| Anaplastic lymphoma kinase (ALK) inhibitors | Not Available | 6 | 66 | Details |
| Androgen Receptor Antagonists | Not Available | 5 | 36 | Details |
| Androgen Receptor Inhibitors | Not Available | 7 | 59 | Details |
| Androgens | Compounds that interact with ANDROGEN RECEPTORS in target tissues to bring about the ef... more | 18 | 183 | Details |
| Androgens and Estrogens | Not Available | 4 | 91 | Details |
| Androgens for Topical Use | Not Available | 1 | 1 | Details |
| Andrographis | A plant genus of the family ACANTHACEAE. Members contain andrographolide and other DITE... more | 1 | 5 | Details |
| Androstadienes | Derivatives of the steroid androstane having two double bonds at any site in any of the... more | 7 | 39 | Details |
| Androstan Derivatives | Not Available | 9 | 52 | Details |
| Androstanes | The family of steroids from which the androgens are derived. | 83 | 380 | Details |
| Androstanols | Androstanes and androstane derivatives which are substituted in any position with one o... more | 15 | 73 | Details |
| Androstenediols | Unsaturated androstane derivatives which are substituted with two hydroxy groups in any... more | 2 | 7 | Details |
| Androstenes | Unsaturated derivatives of the steroid androstane containing at least one double bond a... more | 59 | 306 | Details |
| Androstenols | Unsaturated androstanes which are substituted with one or more hydroxyl groups in any p... more | 30 | 198 | Details |
| Anemia, Hemolytic, Congenital, drug therapy | Not Available | 1 | 10 | Details |
| Anemia, Hypochromic, drug therapy | Not Available | 0 | 0 | Details |
| Anemia, Iron-Deficiency | Not Available | 4 | 33 | Details |
| Anemia, Sickle Cell, drug therapy | Not Available | 1 | 1 | Details |