title: [Klinefelter's syndrome in a 16-year-old boy with 48,XXXY karyotype].
mesh_terms: D000293:Adolescent; D003878:Dermatoglyphics; D006801:Humans; D008607:Intellectual Disability; D007621:Karyotyping; D007713:Klinefelter Syndrome / Q000473:pathology; D007985:Leydig Cells; D008297:Male; D013737:Testis / Q000473:pathology
vernacular_title: Zespół Klinefeltera u 16-letniego chłopca z kariotypem 48,XXXY.