| Antigens, CD | Differentiation antigens residing on mammalian leukocytes. CD stands for cluster of dif... more | 1 | 1 | Details |
| Antigens, CD11 | Not Available | 1 | 2 | Details |
| Antigens, CD15 | Not Available | 0 | 0 | Details |
| Antigens, CD19 | Not Available | 1 | 1 | Details |
| Antigens, CD20 | Not Available | 5 | 7 | Details |
| Antigens, CD3 | Not Available | 0 | 0 | Details |
| Antigens, CD4 | Not Available | 2 | 1 | Details |
| Antigens, Dermatophagoides | Not Available | 0 | 0 | Details |
| Antigens, Differentiation | Antigens expressed primarily on the membranes of living cells during sequential stages ... more | 3 | 3 | Details |
| Antigens, Differentiation, B-Lymphocyte | Membrane antigens associated with maturation stages of B-lymphocytes, often expressed i... more | 1 | 1 | Details |
| Antigens, Differentiation, T-Lymphocyte | Antigens expressed on the cell membrane of T-lymphocytes during differentiation, activa... more | 2 | 2 | Details |
| Antigens, Fungal | Not Available | 0 | 0 | Details |
| Antigens, Neoplasm | Proteins, glycoprotein, or lipoprotein moieties on surfaces of tumor cells that are usu... more | 8 | 9 | Details |
| Antigens, Surface | Antigens on surfaces of cells, including infectious or foreign cells or viruses. They a... more | 7 | 8 | Details |
| Antigens, Viral | Substances elaborated by viruses that have antigenic activity. | 3 | 4 | Details |
| Antiglaucoma Agents | Not Available | 2 | 13 | Details |
| Antiglaucoma Preparations and Miotics | Not Available | 35 | 182 | Details |
| Antigonadotropins and Similar Agents | Not Available | 3 | 23 | Details |
| Antigout Preparations | Agents that increase uric acid excretion by the kidney (URICOSURIC AGENTS), decrease ur... more | 25 | 165 | Details |
| Antihelminthic | Not Available | 7 | 40 | Details |
| Antihemorrhagic Agents, Miscellaneous | Not Available | 1 | 2 | Details |
| Antiheparin Agents | Not Available | 1 | 3 | Details |
| Antihidrotics | Not Available | 1 | 17 | Details |
| Antihistamine Drugs | Not Available | 4 | 26 | Details |
| Antihistamines for Systemic Use | Not Available | 64 | 236 | Details |