Screening for open neural tube defects from 21 to 25 weeks' gestation: the Manitoba experience.
Björklund
Natalie K
NK
MacDonald
Karen M
KM
Evans
Jane A
JA
Schneider
Carol E
CE
Chodirker
Bernard N
BN
D005260:Female; D005865:Gestational Age; D006801:Humans; D008350:Manitoba; D008403:Mass Screening / Q000379:methods* / Q000592:standards; D009436:Neural Tube Defects / Q000175:diagnosis*; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000379:methods* / Q000592:standards; D015995:Prevalence; D000509:alpha-Fetoproteins / Q000032:analysis
D000509:alpha-Fetoproteins