title: Second trimester amniotic fluid protein values from normal, neural tube defect, and fetal demise pregnancies after exclusion of material blood contaminated by testing for pregnancy-associated macroglobulin.
mesh_terms: D000653:Amniotic Fluid / Q000032:analysis*; D002490:Central Nervous System / Q000002:abnormalities* / Q000196:embryology; D005260:Female; D005313:Fetal Death / Q000378:metabolism*; D006801:Humans; D008259:Macroglobulins / Q000032:analysis; D011247:Pregnancy; D011262:Pregnancy Trimester, Second; D011506:Proteins / Q000032:analysis*; D012016:Reference Values
chemical_list: D008259:Macroglobulins; D011506:Proteins