Correction formula for maternal serum alpha-fetoprotein.
D005260:Female; D006801:Humans; D008433:Mathematics; D009436:Neural Tube Defects / Q000175:diagnosis*; D011247:Pregnancy; D011296:Prenatal Diagnosis; D000509:alpha-Fetoproteins / Q000032:analysis*
D000509:alpha-Fetoproteins