title: The XXXY Klinefelter syndrome in childhood.
mesh_terms: D000015:Abnormalities, Multiple; D000293:Adolescent; D000782:Aneuploidy; D001827:Body Height; D002648:Child; D003878:Dermatoglyphics; D006225:Hand / Q000000981:diagnostic imaging; D006801:Humans; D008607:Intellectual Disability; D007713:Klinefelter Syndrome / Q000175:diagnosis*; D008297:Male; D011859:Radiography; D012729:Sex Chromosome Aberrations