The effect of China's Clean Air Act on cognitive function in older adults: a population-based, quasi-experimental study

Yao, Y, Lv, X, Qiu, C, Li, J, Wu, X, Zhang, H, Yue, D, Liu, K, Eshak, ES, Lorenz, T, Anstey, KJ, Livingston, G, Xue, T, Zhang, J, Wang, H, Zeng, Y