The caduceus and the staff of Aesculapius from antiquity to the present.
D004616:Emblems and Insignia / Q000266:history*; D049668:History, 15th Century; D049669:History, 16th Century; D049670:History, 17th Century; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D049690:History, Ancient; D049691:History, Medieval; D008887:Military Medicine / Q000266:history; D009229:Mythology; D012068:Religion and Medicine