Cytogenetic survey of 225 patients diagnosed clinically as mongols.
D000293:Adolescent; D000328:Adult; D002648:Child; D002875:Chromosomes; D003878:Dermatoglyphics; D004314:Down Syndrome / Q000235:genetics*; D005149:Facial Expression; D005260:Female; D006801:Humans; D007621:Karyotyping; D008297:Male; D009030:Mosaicism