Measurement studies on the CTDI of wide-beam multi-slice spiral CT
XU Hui1, WANG Jianchao1, HUANG Zhuo1, YUE Baorong1, FENG Zechen2
1. Key Laboratory of Radiological Protection and Nuclear Emergency, China CDC, National Institute for Radiological Protection, Chinese Center for Disease Control and Prevention, Beijing 100088 China; 2. Beijing Center for Disease Prevention and Control
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