title: [A new case of XYY syndrome].
mesh_terms: D000293:Adolescent; D002869:Chromosome Aberrations; D003417:Criminal Psychology; D006801:Humans; D007604:Juvenile Delinquency; D007621:Karyotyping; D008297:Male; D012730:Sex Chromosomes
vernacular_title: Un nouveau cas de syndrome XYY.