The development of anesthesia in Ohio, 1846-1961. I.
D000758:Anesthesia; D000776:Anesthesiology; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D008511:Medicine; D009820:Ohio
ANESTHESIA; HISTORY OF MEDICINE, XIX CENT.; HISTORY OF MEDICINE, XX CENT.