title: [The 60th birthday of Walter Helbing (27 December 1977)].
mesh_terms: D005859:Germany, East; D006176:Gynecology / Q000266:history; D049673:History, 20th Century; D009774:Obstetrics / Q000266:history
vernacular_title: Walter Helbing zum 60. Geburtstag am 27.12.1977.