title: [Brasilian chronology on anesthesia (de 1837 to 1964) 4th period: from 1954 to October 1964].
mesh_terms: D000776:Anesthesiology / Q000266:history*; D001938:Brazil; D006666:History of Medicine; D049672:History, 19th Century; D049673:History, 20th Century
vernacular_title: Cronologia basileira sôbre anesthesia (de 1837 até 1964) Quarto perído: de 1954 até outubro de 1964.