title: [Hans Lehfeldt--a pioneer in family planning in Europe and America].
authors.affiliation: Abteilung Familienplanung, Wilhelm-Pieck-Universität Rostock.
authors.forename: H G
authors.initials: HG
authors.lastname: Neumann
mesh_terms: D005193:Family Planning Services / Q000266:history*; D005260:Female; D005858:Germany; D049673:History, 20th Century; D006801:Humans; D008297:Male; D014481:United States
vernacular_title: Hans Lehfeldt--Pionier der Familienplanung in Europa und Amerika.