title: Cytogenetics, hormones and behavior disability: comparison of XYY and XXY syndromes.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000374:Aggression; D001519:Behavior; D002648:Child; D005191:Family Characteristics; D005500:Follow-Up Studies; D005824:Genetics, Behavioral; D006716:Homosexuality; D006760:Hospitalization; D006801:Humans; D007621:Karyotyping; D007713:Klinefelter Syndrome / Q000235:genetics; D008297:Male; D008393:Marriage; D008418:Masturbation; D010641:Phenotype; D012729:Sex Chromosome Aberrations / Q000235:genetics; D012725:Sexual Behavior; D012934:Social Isolation; D012959:Socioeconomic Factors