Affiliation: | 1. Department of Respiratory Disease, West China Hospital, Sichuan University, Chengdu, China;2. Toxicology Joint Laboratory, China Tobacco of Chuanyu Industrial Corporation, Chengdu, China;3. Toxicology Joint Laboratory, West China Hospital, Sichuan University, Chengdu, China;4. Harmful Components and Tar Reduction in Cigarette, Sichuan Key Laboratory, China Tobacco of Chuanyu Industrial Corporation, Chengdu, China |