title: Sex and gestation, the union of opposites in European and Chinese alchemy.
authors.forename: R K
authors.initials: RK
authors.lastname: Payne
mesh_terms: D001671:Biochemistry / Q000266:history*; D002621:Chemistry / Q000266:history*; D002681:China; D004626:Embryology / Q000266:history*; D005060:Europe; D049690:History, Ancient; D049692:History, Early Modern 1451-1600; D049691:History, Medieval; D049711:History, Modern 1601-; D010684:Philosophy / Q000266:history*