[Should routines for fetal trisomy screening be changed?].
Jouppila
P
P
D004314:Down Syndrome / Q000175:diagnosis* / Q000453:epidemiology / Q000517:prevention & control*; D004992:Ethics, Medical; D005260:Female; D006801:Humans; D008297:Male; D010818:Practice Patterns, Physicians' / Q000191:economics; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000379:methods*; D012307:Risk Factors; D013997:Time Factors