title: [Chromosomal aberrations and mental retardation].
mesh_terms: D002901:Chromosomes, Human, 13-15; D002902:Chromosomes, Human, 16-18; D004314:Down Syndrome / Q000235:genetics; D005260:Female; D006801:Humans; D008607:Intellectual Disability / Q000235:genetics*; D007713:Klinefelter Syndrome / Q000235:genetics; D008297:Male; D012729:Sex Chromosome Aberrations; D014314:Trisomy
vernacular_title: Chromosomen-Aberrationen und Schwachsinn.