title: Patient information page from the Hormone Foundation. Klinefelter syndrome.
mesh_terms: D000293:Adolescent; D000328:Adult; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D007713:Klinefelter Syndrome / Q000175:diagnosis / Q000209:etiology / Q000628:therapy*; D008297:Male