title: [Peptic ulceration in adolescents and their biological age].
mesh_terms: D015068:17-Ketosteroids / Q000652:urine; D000293:Adolescent; D000365:Age Determination by Skeleton; D000367:Age Factors; D002648:Child; D003604:Czechoslovakia; D005260:Female; D006801:Humans; D008297:Male; D008598:Menstruation; D010437:Peptic Ulcer / Q000453:epidemiology*; D012727:Sex Characteristics; D013008:Somatotypes
chemical_list: D015068:17-Ketosteroids
vernacular_title: Vredová choroba mladistvých a jejich biologický vĕk.