00475nam a2200121Ia 4500008004100000245017000041260003600211260000900247300000600256650002600262650001200288856005300300170516s9999    xx            000 0 und d  aFour-Year Cumulative Radiation Exposure in Patients Undergoing Computed Tomography Angiography for Suspected Pulmonary Embolism, Edwin A. Takahashi and Hyo-Chun Yoon  bRadiology Research and Practice  c2013  a:  xRadiologic Technology  xRadtech  uhttps://www.hindawi.com/journals/rrp/contents/3/