title: Evidence against a gateway from smokeless tobacco use to smoking.
authors.affiliation: Department of Medicine, School of Medicine, University of Louisville, 505 South Hancock Street, Louisville, KY 40202, USA. brad.rodu@louisville.edu
authors.forename: Brad
authors.initials: B
authors.lastname: Rodu
authors.forename: Philip
authors.initials: P
authors.lastname: Cole