title: Menstrual disorders in the adolescent: amenorrhea.
authors.affiliation: Department of Obstetrics and Gynecology, University of Pennsylvania, Philadelphia 19104-4283.
authors.forename: M M
authors.initials: MM
authors.lastname: Polaneczky
authors.forename: G B
authors.initials: GB
authors.lastname: Slap
mesh_terms: D000293:Adolescent; D000568:Amenorrhea / Q000175:diagnosis* / Q000209:etiology; D001940:Breast / Q000254:growth & development; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008598:Menstruation / Q000187:drug effects; D011374:Progesterone; D014599:Uterus / Q000002:abnormalities / Q000254:growth & development
chemical_list: D011374:Progesterone