Air pollution exposure and lung function in highly exposed subjects in Beijing, China: A repeated-measure study

Andrea A. Baccarelli, Yinan Zheng, Xiao Zhang, Dou Chang, Lei Liu, Katherine R. Wolf, Zhou Zhang, John P. McCracken, Anaité Díaz, Pier A. Bertazzi, Joel Schwartz, Sheng Wang^*, Choong Min Kang, Petros Koutrakis, Lifang Hou