title: Secondary amenorrhea and vitamin A deficiency.
authors.forename: O
authors.initials: O
authors.lastname: NEUMANN
mesh_terms: D000568:Amenorrhea / Q000209:etiology*; D005260:Female; D006801:Humans; D014801:Vitamin A; D014815:Vitamins
chemical_list: D014815:Vitamins; D014801:Vitamin A
keywords: AMENORRHEA/etiology and pathogenesis; VITAMINS/A
vernacular_title: Sekundäre Amenorrhoe und Vitamin-A-Mangel.