Risk factors shared by COPD and lung cancer and mediation effect of COPD: two center case-control studies

Yang L, Lu X, Deng J, Zhou Y, Huang D, Qiu F, Yang X, Yang R, Fang W, Ran P, Zhong N, Zhou Y, Fang S, Lu J. Risk factors shared by COPD and lung cancer and mediation effect of COPD: two center case-control studies. Cancer Causes Control. 2015; 26(1): 11–24.