Investigation and evaluation of occupational hazards in the workover operation of an oil production plant
LI Changsong, LIU Hongqiang, SHAN Yongle, WU Hongtao, ZHANG Fang
中国辐射卫生 . 2018, (2): 168 -172 .  DOI: 10.13491/j.issn.1004-714x.2018.02.021