Letter: Amniography.
D000653:Amniotic Fluid / Q000032:analysis; D005260:Female; D005315:Fetal Diseases / Q000000981:diagnostic imaging*; D005326:Fetal Proteins / Q000032:analysis*; D006801:Humans; D008591:Meningomyelocele / Q000000981:diagnostic imaging; D011247:Pregnancy; D011859:Radiography; D000509:alpha-Fetoproteins / Q000032:analysis*
D005326:Fetal Proteins; D000509:alpha-Fetoproteins