title: [Not Available].
authors.forename: B D
authors.initials: BD
authors.lastname: Haage
mesh_terms: D005858:Germany; D000077406:History of Pharmacy; D049690:History, Ancient; D049692:History, Early Modern 1451-1600; D049691:History, Medieval; D049711:History, Modern 1601-; D008091:Literature / Q000266:history*; D013561:Symbolism
vernacular_title: Das Ouroboros-Symbol im 'Parzival'.