title: Trends in smoking and quitting in China from 1993 to 2003: National Health Service Survey data.
authors.affiliation: Center for Health Statistics and Information, Ministry of Health, Beijing, China.
authors.forename: Juncheng
authors.initials: J
authors.lastname: Qian
authors.forename: Min
authors.initials: M
authors.lastname: Cai
authors.forename: Jun
authors.initials: J
authors.lastname: Gao
authors.forename: Shenglan
authors.initials: S
authors.lastname: Tang
authors.forename: Ling
authors.initials: L
authors.lastname: Xu
authors.forename: Julia Alison
authors.initials: JA
authors.lastname: Critchley