title: Definition of a quit attempt: a replication test.
authors.affiliation: Department of Psychiatry, University of Vermont, UHC Campus, Mailstop #482, 1 South Prospect Street, Burlington, VT 05401, USA. john.hughes@uvm.edu
authors.forename: John R
authors.initials: JR
authors.lastname: Hughes
authors.forename: Peter W
authors.initials: PW
authors.lastname: Callas