[Historical evolution of anesthesiology as a medical specialty].
D000776:Anesthesiology / Q000266:history*; D005060:Europe; D049672:History, 19th Century; D049673:History, 20th Century; D008511:Medicine; D012955:Societies, Medical; D013038:Specialization; D014481:United States
Evolución histórica de la anestesiología como especialidad médica