LIANG Xiong, TAO Lanjiao, GAN Yongjiang, ZHONG Yao, LIANG Danyan, LI Chenglin. Retrospective survey on occupational exposure among medical staff at a top tertiary general hospital in Nanning from 2020 to 2022[J]. Occupational Health and Emergency Rescue, 2024, 42(3): 350-353. DOI: 10.16369/j.oher.issn.1007-1326.2024.04.020