Prevalence and risk factors analysis for low back pain among occupational groups in key industries of China. - Jia, Ning; Zhang, Meibian; Zhang, Huadong; Ling, Ruijie; Liu, Yimin; Li, Gang; Yin, Yan; Shao, Hua; Zhang, Hengdong; Qiu, Bing; Li, Dongxia; Wang, Dayu; et al. (BMC Public Health, 2022)