... a national population -based case-control study: Estimating risk of smoking on cancer deaths in Chinese men Jingmei Jiang1, Boqi Liu2 , Philip C. Nasca3, Wei Han1, Xiaonong Zou2, Xianjia Zeng1, ... Statistics, Peking Union Medical College 2. Department of Epidemiology, National Cancer Institute, Chinese Academy of Medical Sciences 3. Department of Epidemiology and Biostatistics, SUNY, Albany, ... Correspondence to: Professor Boqi Liu, 17 Pan Jia Yuan Nan Li, Beijing (100021), National Cancer Institute, Chinese Academy of Medical Sciences, China. Tel: 86-10-87788441; Fax: 86-10-85370653; E- mail address:...