@article {30956,
	title = {Clean Air Actions in China, PM2.5 Exposure, and Household Medical Expenditures: a Quasi-Experimental Study [J]. PLOS Medicine},
	journal = {PLoS Medicine},
	volume = {18},
	year = {2021},
	pages = {1003480},
	author = {Xue, T. and T. Zhu and Peng, W. and T. Guan and S. Zhang and Zheng, Y. and Geng, G and Q. Zhang}
}
