<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Xue, T.</style></author><author><style face="normal" font="default" size="100%">T. Zhu</style></author><author><style face="normal" font="default" size="100%">Peng, W.</style></author><author><style face="normal" font="default" size="100%">T. Guan</style></author><author><style face="normal" font="default" size="100%">S. Zhang</style></author><author><style face="normal" font="default" size="100%">Zheng, Y.</style></author><author><style face="normal" font="default" size="100%">Geng, G</style></author><author><style face="normal" font="default" size="100%">Q. Zhang</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Clean Air Actions in China, PM2.5 Exposure, and Household Medical Expenditures: a Quasi-Experimental Study [J]. PLOS Medicine</style></title><secondary-title><style face="normal" font="default" size="100%">PLoS Medicine</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2021</style></year></dates><volume><style face="normal" font="default" size="100%">18</style></volume><pages><style face="normal" font="default" size="100%">1003480</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><issue><style face="normal" font="default" size="100%">1</style></issue></record></records></xml>