2021, Vol. 30 Issue (6): 682-686,692    DOI: 10.13491/j.issn.1004-714X.2021.06.005
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Investigation and analysis of frequency of radiation diagnosis and treatment in medical and health institutions in Chongqing
YANG Yunfu1,2, LI Wei1,2, ZHANG Huadong1,2, LUO Hanghang1, LIU Ke1
1. Occupational Health and Radiation Health Institute, Chongqing Center for Disease Control and Prevention, Chongqing 400042 China;
2. Chongqing Occupational Health and Radiological Health Technical Service Quality Control Center,Chongqing 400042 China
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