Blood-pool imaging of the placenta with short-lived radioisotopes.  113m Indium-gelatin Vs  131 RISA and  99m technetium-albumin.
D000649:Amniocentesis; D002585:Cesarean Section; D005260:Female; D005333:Fetus / Q000528:radiation effects; D005780:Gelatin; D006207:Half-Life; D006801:Humans; D007204:Indium; D008722:Methods; D010053:Ovary / Q000528:radiation effects; D010920:Placenta; D010923:Placenta Previa / Q000175:diagnosis; D011247:Pregnancy; D011830:Radiation Effects; D011877:Radionuclide Imaging; D012204:Rh-Hr Blood-Group System; D012709:Serum Albumin; D012711:Serum Albumin, Radio-Iodinated; D013667:Technetium
D012204:Rh-Hr Blood-Group System; D012709:Serum Albumin; D012711:Serum Albumin, Radio-Iodinated; D007204:Indium; D013667:Technetium; D005780:Gelatin