title: Identification of D-D translocations in mentally retarded patients.
mesh_terms: D000328:Adult; D002478:Cells, Cultured; D002869:Chromosome Aberrations; D002901:Chromosomes, Human, 13-15; D005260:Female; D006801:Humans; D008607:Intellectual Disability; D007621:Karyotyping; D008214:Lymphocytes; D008297:Male; D013194:Staining and Labeling