title: The true symbol of medicine: one snake or two?
authors.forename: L
authors.initials: L
authors.lastname: Carver
mesh_terms: D004616:Emblems and Insignia / Q000266:history*; D049669:History, 16th Century; D049673:History, 20th Century; D049690:History, Ancient; D008887:Military Medicine; D009229:Mythology; D014481:United States