title: LOCALIZATION of the placenta with radioactive sodium.
mesh_terms: D005260:Female; D006801:Humans; D007477:Ions; D010920:Placenta; D011247:Pregnancy; D011851:Radioactivity; D012964:Sodium; D012979:Sodium Radioisotopes; D012982:Sodium, Dietary
chemical_list: D007477:Ions; D012979:Sodium Radioisotopes; D012982:Sodium, Dietary; D012964:Sodium
keywords: PLACENTA; SODIUM/radioactive