[Problems caused by genetic diseases. Part 3: Chromosomal disorders: trisomy 21].
Verloes
Alain
A
Fédération de génétique, unité de génétique clinique, hôpital Robert-Debré, 75935 Paris 19. alain.verloes@rdb.ap-hop-paris.fr
D004314:Down Syndrome / Q000175:diagnosis* / Q000453:epidemiology / Q000235:genetics / Q000517:prevention & control; D005602:France / Q000453:epidemiology; D005817:Genetic Counseling; D006801:Humans; D008423:Maternal Age; D011296:Prenatal Diagnosis; D012307:Risk Factors