Letter: Diagnostic reagents for alpha-fetoprotein.
D004739:England; D005260:Female; D005326:Fetal Proteins / Q000032:analysis*; D006801:Humans; D007202:Indicators and Reagents; D011247:Pregnancy; D011296:Prenatal Diagnosis; D011786:Quality Control; D011863:Radioimmunoassay / Q000592:standards; D000509:alpha-Fetoproteins / Q000032:analysis*
D005326:Fetal Proteins; D007202:Indicators and Reagents; D000509:alpha-Fetoproteins