title: Klinefelter syndrome.
mesh_terms: D001940:Breast; D006801:Humans; D006984:Hypertrophy; D007713:Klinefelter Syndrome; D008297:Male; D013079:Sperm Maturation; D013094:Spermatozoa / Q000254:growth & development*
keywords: BREAST/hypertrophy; KLINEFELTER'S SYNDROME; SPERMATOZOA/development
vernacular_title: Syndrome de Klinefelter.