title: [Secondary amenorrhea in girls in the light of some hormonal studies].
mesh_terms: D015068:17-Ketosteroids / Q000652:urine; D000293:Adolescent; D000328:Adult; D000568:Amenorrhea / Q000175:diagnosis / Q000503:physiopathology*; D003687:Dehydroepiandrosterone / Q000652:urine; D004967:Estrogens / Q000652:urine; D005260:Female; D012739:Gonadal Steroid Hormones; D006801:Humans
chemical_list: D015068:17-Ketosteroids; D004967:Estrogens; D012739:Gonadal Steroid Hormones; D003687:Dehydroepiandrosterone
vernacular_title: Wtórny brak miesi aczkowania u dziewcz at w świetle niektórych badań hormonalnych.