title: Letter: D-group chromosomal aberration: 13q+.
mesh_terms: D002648:Child; D002869:Chromosome Aberrations; D025063:Chromosome Disorders; D002901:Chromosomes, Human, 13-15; D005260:Female; D006801:Humans; D008607:Intellectual Disability / Q000235:genetics; D007621:Karyotyping; D014314:Trisomy