[Excess of males in trisomy 21 (author's transl)].
D000328:Adult; D002675:Child, Preschool; D004314:Down Syndrome / Q000453:epidemiology*; D005260:Female; D005602:France; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008423:Maternal Age; D010331:Paternal Age; D012744:Sex Ratio
Excès de garçons dans la trisomie 21.