title: Sex chromosome aberrations in childhood. I. XXY and XXY mosaicism.
mesh_terms: D015068:17-Ketosteroids / Q000652:urine; D001835:Body Weight; D002869:Chromosome Aberrations; D003582:Cytogenetics; D003878:Dermatoglyphics; D004967:Estrogens / Q000652:urine; D006177:Gynecomastia / Q000235:genetics; D006801:Humans; D008607:Intellectual Disability / Q000235:genetics; D007621:Karyotyping; D007713:Klinefelter Syndrome / Q000175:diagnosis; D008297:Male; D009030:Mosaicism; D011627:Puberty
chemical_list: D015068:17-Ketosteroids; D004967:Estrogens