X-ray fluoroscopy results of health checkups of employees in Pingdingshan City from 2013 to 2017
YUE Weiling, YUE Huifang, ZHAO Huabin
中国辐射卫生 . 2019, (1): 105 -108 .  DOI: 10.13491/j.issn.1004-714x.2019.01.029