![Prevalence of active and passive tobacco smoking among Beijing residents in 2011]()
Prevalence of active and passive tobacco smoking among Beijing residents in 2011Zhang, Ding-Ding; Cao, Jie; Dong, Zhong; Li, Jian-Xin; Li, Gang; Ma, Ai-Jun; Yang, Xue-Li; Liu, Fang-Chao; Chen, Ji-Chun; Huang, Jian-Feng; Gu, Dong-Feng · Chronic Diseases and Translational Medicine · 2016