- Anastomosis, Surgical -- methods1
- Anatomy2
- Anatomy -- education1
- Anatomy, Artistic1
- Anesthesia1
- Anesthesia, Dental1
- Anesthesia, Local -- methods1
- Anesthetics1
- Anesthetics, Local -- poisoning1
- Aneurysm, Dissecting1
- Aniline Compounds -- therapeutic use1
- Animal Experimentation1
- Anniversaries and Special Events1
- Anthropology1
- Anthropology, Cultural1
- Anthropology, Physical2
- Anti-Bacterial Agents1
- Anti-Infective Agents -- therapeutic use1
- Anti-Infective Agents, Local -- therapeutic use2
- Anti-Inflammatory Agents, Non-Steroidal -- therapeutic use1