title: [Klinefelter's syndrome in prepubertal age (author's transl)].
mesh_terms: D000293:Adolescent; D000367:Age Factors; D001706:Biopsy; D002648:Child; D002675:Child, Preschool; D003581:Cytodiagnosis; D003582:Cytogenetics; D003937:Diagnosis, Differential; D006801:Humans; D007361:Intelligence Tests; D007621:Karyotyping; D007713:Klinefelter Syndrome / Q000175:diagnosis*; D008297:Male; D011627:Puberty; D012728:Sex Chromatin / Q000032:analysis; D013737:Testis / Q000473:pathology
vernacular_title: Síndrome XXY (klinefelter) en el período prepuberal (estudio de ocho observaciones)