title: A technique for the localization of the internal cervical os in placenta scintigraphy.
mesh_terms: D002584:Cervix Uteri / Q000000981:diagnostic imaging; D003036:Cobalt Isotopes; D005260:Female; D006801:Humans; D008722:Methods; D010920:Placenta / Q000000981:diagnostic imaging*; D010923:Placenta Previa / Q000000981:diagnostic imaging; D011247:Pregnancy; D011859:Radiography; D013679:Technology, Radiologic
chemical_list: D003036:Cobalt Isotopes