Association between Physical Activity and Risk of All-cause Mortality in Middle-aged and Elderly People in China: a Prospective Cohort Study
CHEN Xi, ZHANG Juan, LI Lin, ZHANG Jiaqi, WU Yaoli, GUO Hui, WANG Chaoqun
Chinese General Practice . 2023, (31): 3890 -3895 .  DOI: 10.12114/j.issn.1007-9572.2023.0287