Analysis of medical radiation protection monitoring results of medical institutions in Dalian in 2017
ZHANG Xinghui, NI Changyu, DONG Qianqian, YE Qianou, LIU Shuang
中国辐射卫生 . 2019, (4): 414 -416 .  DOI: 10.13491/j.issn.1004-714x.2019.04.018