Experience with material screening in the United Kingdom.
D003951:Diagnostic Errors; D005260:Female; D005313:Fetal Death / Q000175:diagnosis; D005820:Genetic Testing; D005865:Gestational Age; D006801:Humans; D009436:Neural Tube Defects / Q000175:diagnosis / Q000517:prevention & control*; D011247:Pregnancy; D011296:Prenatal Diagnosis; D014427:Twins; D006113:United Kingdom; D000509:alpha-Fetoproteins / Q000032:analysis*
D000509:alpha-Fetoproteins