Cardiopulmonary benefits of respirator intervention against near road ambient particulate matters in healthy young adults: A randomized, blinded, crossover, multi-city study

Wei Niu, Wanzhou Wang, Chen Huang, Zhihong Zhang, Le Ma, Rui Li, John Cherrie, Mark R. Miller, Miranda Loh, Jiahui Chen, Chun Lin, Shaowei Wu, Xinbiao Guo^*, Furong Deng^*

^*Corresponding author for this work