title: Lights out.
authors.forename: A
authors.initials: A
authors.lastname: Heenan
mesh_terms: D006801:Humans; D009538:Nicotine / Q000008:administration & dosage / Q000627:therapeutic use; D012657:Self-Help Groups; D016540:Smoking Cessation / Q000379:methods*; D006113:United Kingdom
chemical_list: D009538:Nicotine