title: [Investigation on the tobacco epidemic and smoking attitudes among residents at early tobacco control legislation in Qingdao city].
authors.affiliation: Department of Health Education, Qingdao municipal Center for Disease Control and Prevention, Qingdao 266033, China.
authors.forename: F
authors.initials: F
authors.lastname: Qi
authors.forename: X R
authors.initials: XR
authors.lastname: Jia
authors.forename: S P
authors.initials: SP
authors.lastname: Li
authors.forename: H
authors.initials: H
authors.lastname: Liu
authors.forename: Y N
authors.initials: YN
authors.lastname: Wang