Cancer mortality attributable to cigarette smoking in 2005, 2010 and 2015 in Qingdao, China Xu, Zhenshi ; Qi, Fei ; Wang, Yani ; Jia, Xiaorong ; Lin, Peng ; Geng, Meiyun ; Wang, Rui ; Li, Shanpeng Abstract Publication: PLoS ONE Pub Date: September 2018 DOI: 10.1371/journal.pone.0204221 Bibcode: 2018PLoSO..1304221X