title: [Possible decrease in semen quality over a 20-year period].
authors.forename: B
authors.initials: B
authors.lastname: Busund
authors.forename: E
authors.initials: E
authors.lastname: Bendvold
mesh_terms: D000328:Adult; D006801:Humans; D007248:Infertility, Male / Q000453:epidemiology; D008297:Male; D009664:Norway; D012661:Semen / Q000032:analysis / Q000502:physiology*
vernacular_title: Mulig reduksjon i saedkvalitet i løpet av en 20-årsperiode.