Maternal age and birth rank in the aetiology of mongolism.
D004314:Down Syndrome / Q000706:statistics & numerical data*; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008423:Maternal Age; D009035:Mothers; D036801:Parturition
INFANT, NEWBORN; MATERNITY; MONGOLISM/statistics