title: Placentography.
mesh_terms: D005260:Female; D006801:Humans; D010920:Placenta; D010923:Placenta Previa / Q000175:diagnosis; D011247:Pregnancy; D011877:Radionuclide Imaging; D013667:Technetium; D013997:Time Factors
chemical_list: D013667:Technetium