title: [New case of 48,XXYY syndrome].
mesh_terms: D000293:Adolescent; D005260:Female; D006801:Humans; D007713:Klinefelter Syndrome / Q000235:genetics*; D008297:Male; D014960:X Chromosome; D014998:Y Chromosome
vernacular_title: Un nuevo caso de síndrome 48,XXYY.