title: The quality control of alpha-fetoprotein reagents and assay for the antenatal screening and diagnosis of open neural-tube defects.
mesh_terms: D000653:Amniotic Fluid / Q000032:analysis; D005260:Female; D006801:Humans; D007202:Indicators and Reagents / Q000592:standards*; D009436:Neural Tube Defects / Q000175:diagnosis*; D011247:Pregnancy; D011248:Pregnancy Complications / Q000097:blood; D011296:Prenatal Diagnosis; D011786:Quality Control; D012015:Reference Standards; D014944:World Health Organization; D000509:alpha-Fetoproteins / Q000032:analysis*
chemical_list: D007202:Indicators and Reagents; D000509:alpha-Fetoproteins