Chatterson, Leslie C Lead versus bismuth-antimony shield for fetal dose reduction at different gestational ages at CT pulmonary angiography. [electronic resource] - Radiology Aug 2011 - 560-7 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 1527-1315 Standard No.: 10.1148/radiol.11101575 doi Subjects--Topical Terms: Angiography--methodsAntimonyBismuthFemaleFetus--radiation effectsGestational AgeHumansImaging, Three-DimensionalLeadPhantoms, ImagingPregnancyRadiation DosageRadiation Protection--instrumentationStatistics, NonparametricThermoluminescent DosimetryTomography, X-Ray Computed