Four decades of association with the pioneers of anesthesiology.
D000758:Anesthesia / Q000592:standards; D000776:Anesthesiology / Q000193:education / Q000266:history*; D004503:Education, Medical, Graduate; D049673:History, 20th Century; D008511:Medicine; D012955:Societies, Medical; D013038:Specialization; D014481:United States