title: [An inquiry on ma fei san (an anaesthetic formula) and re-discussion on Hua Tuo's nationality].
authors.forename: X
authors.initials: X
authors.lastname: Lang
mesh_terms: D000776:Anesthesiology / Q000266:history*; D002681:China; D049690:History, Ancient; D049692:History, Early Modern 1451-1600; D049691:History, Medieval; D049711:History, Modern 1601-