title: [Placental localization by means of radioactive isotopes].
mesh_terms: D005260:Female; D006801:Humans; D009774:Obstetrics; D010920:Placenta; D011247:Pregnancy; D011868:Radioisotopes; D011874:Radiometry; D016216:Ultrasonography, Prenatal; D014599:Uterus
chemical_list: D011868:Radioisotopes
keywords: OBSTETRICS; PLACENTA; RADIOMETRY