title: Do mobile phones replace cigarette smoking among teenagers?
authors.forename: N
authors.initials: N
authors.lastname: Steggles
authors.forename: M J
authors.initials: MJ
authors.lastname: Jarvis
mesh_terms: D000293:Adolescent; D040421:Cell Phone / Q000706:statistics & numerical data*; D006801:Humans; D012907:Smoking / Q000453:epidemiology*; D006113:United Kingdom / Q000453:epidemiology