Differences in perceived sensitivity to air pollution between smokers and non-smokers during a heavy haze episode in Northeast China

X Xing Yang (College of Chemistry, Jilin Province Research Center for Engineering and Technology of Spectral Analytical Instruments, Jilin University, Qianjin Street 2699, Changchun 130012, China) L Li Liu Y Yanxia Li (Interdisciplinary Research Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences) H Huijuan Mu J Jun Na W Wei Sun L Lingjun Yan G Guowei Pan Q Qihao Wang