title: A case of 47,XX,(21q-)+ with some stigmata of Down's syndrome and an IQ of 77.
mesh_terms: D000293:Adolescent; D002675:Child, Preschool; D002904:Chromosomes, Human, 21-22 and Y; D004314:Down Syndrome / Q000235:genetics*; D005260:Female; D006801:Humans; D008607:Intellectual Disability / Q000235:genetics; D007621:Karyotyping; D007962:Leukocytes / Q000166:cytology; D014314:Trisomy