Li, X., Zhang, W., Zhang, W., Tao, K., Ni, W., Wang, K., . . . Lin, J. (2020). Level of physical activity among middle-aged and older Chinese people: Evidence from the China health and retirement longitudinal study. BMC Public Health.

Li, Xiaowei, Wanda Zhang, Weiya Zhang, Ke Tao, Wenli Ni, Kai Wang, Zhanglai Li, Qiang Liu, and Jianhao Lin. "Level of Physical Activity Among Middle-aged and Older Chinese People: Evidence From the China Health and Retirement Longitudinal Study." BMC Public Health 2020.

Li, Xiaowei, et al. "Level of Physical Activity Among Middle-aged and Older Chinese People: Evidence From the China Health and Retirement Longitudinal Study." BMC Public Health 2020.