title: Chromosomal abnormalities ascertained in the collaborative perinatal survey of 7- and 8-year-old children.
mesh_terms: D002648:Child; D002869:Chromosome Aberrations / Q000235:genetics*; D002871:Chromosome Banding; D025063:Chromosome Disorders; D002877:Chromosomes, Human / Q000648:ultrastructure; D005260:Female; D005820:Genetic Testing; D006801:Humans; D007621:Karyotyping; D008297:Male; D009030:Mosaicism; D012729:Sex Chromosome Aberrations