title: [Vitamin D deficiency in vegetarian nutrition].
authors.forename: T
authors.initials: T
authors.lastname: Gain
authors.forename: M
authors.initials: M
authors.lastname: Classen
mesh_terms: D000469:Alkaline Phosphatase / Q000097:blood; D002908:Chronic Disease; D004796:Clinical Enzyme Tests; D014676:Diet, Vegetarian / Q000009:adverse effects*; D006801:Humans; D008297:Male; D008875:Middle Aged; D014808:Vitamin D Deficiency / Q000175:diagnosis / Q000209:etiology*
chemical_list: D000469:Alkaline Phosphatase
vernacular_title: Vitamin-D-Mangel bei vegetarischer Ernährung.