title: Is there a common psychopathology of XYY boys? A clinical report on three cases of XYY and one of XY-XYY.
mesh_terms: D000293:Adolescent; D000374:Aggression; D000987:Antisocial Personality Disorder; D001827:Body Height; D002648:Child; D002653:Child Behavior Disorders / Q000235:genetics*; D002675:Child, Preschool; D006801:Humans; D007621:Karyotyping; D008297:Male; D012729:Sex Chromosome Aberrations