title: The XYY syndrome: reality or myth?
mesh_terms: D001827:Body Height; D003674:Defense Mechanisms; D004644:Emotions; D005602:France; D006801:Humans; D007360:Intelligence; D007621:Karyotyping; D008297:Male; D008403:Mass Screening; D010551:Personality; D011581:Psychological Tests; D011596:Psychomotor Disorders / Q000235:genetics; D012729:Sex Chromosome Aberrations / Q000175:diagnosis / Q000453:epidemiology / Q000235:genetics*; D012959:Socioeconomic Factors