title: Letter: Amniotic alpha-fetoprotein and omphalocele.
mesh_terms: D000009:Abdominal Muscles / Q000002:abnormalities*; D000653:Amniotic Fluid / Q000032:analysis*; D005260:Female; D005326:Fetal Proteins / Q000032:analysis*; D006801:Humans; D011247:Pregnancy; D011296:Prenatal Diagnosis; D000509:alpha-Fetoproteins / Q000032:analysis*
chemical_list: D005326:Fetal Proteins; D000509:alpha-Fetoproteins