title: Letter: Amniotic fluid on maternal urine?
mesh_terms: D000328:Adult; D000649:Amniocentesis; D000653:Amniotic Fluid / Q000032:analysis*; D005260:Female; D006801:Humans; D011247:Pregnancy; D011296:Prenatal Diagnosis; D014556:Urine; D000509:alpha-Fetoproteins / Q000032:analysis / Q000652:urine
chemical_list: D000509:alpha-Fetoproteins