Level of moderate-intensity leisure-time physical activity and reduced mortality in middle-aged and elderly Chinese

Liu Y, Wen W, Gao YT, Li HL, Yang G, Xiang YB, Shu XO, Zheng W. Level of moderate-intensity leisure-time physical activity and reduced mortality in middle-aged and elderly Chinese. J Epidemiol Community Health. 2018; 72(1): 13-20.