[How to improve screening of Down syndrome].
Ryynänen
Markku
M
Tekay
Aydin
A
Niemimaa
Marko
M
Taipale
Pekka
P
Heinonen
Seppo
S
D004314:Down Syndrome / Q000175:diagnosis*; D005260:Female; D005387:Finland; D005820:Genetic Testing / Q000458:organization & administration*; D005865:Gestational Age; D006301:Health Services Needs and Demand; D006801:Humans; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000592:standards*; D016730:Program Development; D018570:Risk Assessment