[Menarche and menstruation physiopathology in Down's syndrome].
D000293:Adolescent; D000328:Adult; D004314:Down Syndrome / Q000503:physiopathology*; D005260:Female; D006801:Humans; D008572:Menarche; D008598:Menstruation
Menarca e fisiopatologia menstruale nella sindomre di Down.