Anti-mongolism. Studies in an infant with a partial monosomy of the 21 chromosome.
D002869:Chromosome Aberrations / Q000175:diagnosis*; D025063:Chromosome Disorders; D002875:Chromosomes; D046508:Culture Techniques; D004314:Down Syndrome / Q000175:diagnosis*; D006801:Humans; D007231:Infant, Newborn; D007621:Karyotyping; D007962:Leukocytes; D008297:Male