Citation:Xue T, Zhu T, Peng W, Guan T, Zhang S, Zheng Y, Geng G, Zhang Q. Clean Air Actions in China, PM2.5 Exposure, and Household Medical Expenditures: a Quasi-Experimental Study [J]. PLOS Medicine. PLoS Medicine. 2021;18(1):1003480.ExportBibTex EndNote Tagged EndNote XML