Subjects
- Altitude1
- Amenorrhea -- therapy1
- American Civil War1
- American Gynecological Society.3
- American Gynecological Society. Annual Meeting2
- American Medical Association. Annual Meeting1
- American Pharmaceutical Association.1
- Amputation3
- Amputation Stumps1
- Amyl Nitrite -- pharmacology1
- Anatomy2
- Anatomy, Comparative2
- Anesthesia -- history1
- Anesthesia -- mortality1
- Anesthesia, Obstetrical1
- Anesthesiology -- history1
- Anesthetics -- history1
- Aneurysm -- surgery1
- Animal Diseases1
- Animal Rights1