title: Isotope placentography: improved technique for diagnosis of placenta praevia.
mesh_terms: D005260:Female; D005780:Gelatin; D006801:Humans; D007204:Indium; D008722:Methods; D010923:Placenta Previa / Q000175:diagnosis*; D011247:Pregnancy; D011868:Radioisotopes; D011877:Radionuclide Imaging
chemical_list: D011868:Radioisotopes; D007204:Indium; D005780:Gelatin