title: Letter: An application of fetography.
mesh_terms: D000653:Amniotic Fluid; D003287:Contrast Media; D005260:Female; D005315:Fetal Diseases / Q000000981:diagnostic imaging*; D005333:Fetus / Q000000981:diagnostic imaging*; D006801:Humans; D008722:Methods; D011247:Pregnancy; D011859:Radiography
chemical_list: D003287:Contrast Media