Smith, R W The application of rapid 99mTc-pertechnetate scintiphotographic placental imaging during third trimester bleeding. [electronic resource] - Obstetrics and gynecology Apr 1970 - 537-43 p. digital Publication Type: Journal Article ISSN: 0029-7844 Subjects--Topical Terms: FemaleHemorrhageHumansMethodsPlacenta--diagnostic imagingPlacenta Previa--diagnosisPregnancyPregnancy Complications, Cardiovascular--diagnosisRadiographyTechnetium