title: Preference for 2 mg versus 4 mg nicotine chewing gum.
authors.forename: P
authors.initials: P
authors.lastname: Hajek
authors.forename: M
authors.initials: M
authors.lastname: Belcher
authors.forename: C
authors.initials: C
authors.lastname: Feyerabend
mesh_terms: D000328:Adult; D002638:Chewing Gum; D004305:Dose-Response Relationship, Drug; D005260:Female; D006801:Humans; D008297:Male; D009538:Nicotine / Q000008:administration & dosage*; D012907:Smoking / Q000628:therapy*
chemical_list: D002638:Chewing Gum; D009538:Nicotine