TY - BOOK TI - Four-Year Cumulative Radiation Exposure in Patients Undergoing Computed Tomography Angiography for Suspected Pulmonary Embolism, Edwin A. Takahashi and Hyo-Chun Yoon PB - Radiology Research and Practice KW - Radiologic Technology KW - Radtech UR - https://www.hindawi.com/journals/rrp/contents/3/ ER -