- Abreu, José Benicio de.1
- Abston, Sally.1
- Abt, Arthur F. (Arthur Frederick), 1898-1974 author1
- Abt, Arthur F. (Arthur Frederick), 1898-1974, author1
- Abt, Henry Edward, 1904-1962 author1
- Abū al-Qāsim Khalaf ibn ʻAbbās al-Zahrāwī, -1013?, author1
- Abū al-Qāsim Muḥammad ibn ʻAbd Allāh al-Anṣārī.1
- Academia Médico-Quirúrgica (Puebla de Zaragoza (Mexico))1
- Academia Nacional de Medicina (Colombia) author.1
- Academia Nacional de Medicina de México, author.1
- Academia Nacional de Medicina de México.1
- Academia farmacéutica de México author.1
- Academy of Medicine of Cincinnati, author.2
- Academy of Medicine of Cincinnati.1
- Academy of Medicine of Philadelphia.2
- Academy of Natural Sciences of Philadelphia, author.2
- Academy of Natural Sciences of Philadelphia.1
- Académie de médecine (France)2
- Académie de médecine (France), author.1
- Acauan, Manuel Marques da Silva.1