title: Twin fetus papyraceus and alpha-fetoprotein: a clinical dilemma.
mesh_terms: D000328:Adult; D000653:Amniotic Fluid / Q000032:analysis; D004200:Diseases in Twins; D005260:Female; D005313:Fetal Death / Q000175:diagnosis*; D005317:Fetal Growth Retardation / Q000175:diagnosis*; D006801:Humans; D007231:Infant, Newborn; D011247:Pregnancy; D011262:Pregnancy Trimester, Second; D011272:Pregnancy, Multiple; D011296:Prenatal Diagnosis; D014463:Ultrasonography; D000509:alpha-Fetoproteins / Q000032:analysis*
chemical_list: D000509:alpha-Fetoproteins