title: Historical background.
mesh_terms: D004358:Drug Therapy / Q000266:history*; D006115:Greece; D049690:History, Ancient; D049691:History, Medieval; D006801:Humans; D007802:Language; D008877:Middle East; D010602:Pharmacopoeias as Topic / Q000266:history*; D010686:Philosophy, Medical / Q000266:history*; D010827:Physiology / Q000266:history; D012014:Reference Books, Medical; D014177:Translations