title: Smoking: Tobacco trends.
authors.forename: B W
authors.initials: BW
authors.lastname: Chaffee
authors.forename: E T
authors.initials: ET
authors.lastname: Couch
authors.forename: G
authors.initials: G
authors.lastname: Essex
authors.forename: M M
authors.initials: MM
authors.lastname: Walsh
mesh_terms: D000293:Adolescent; D002140:California / Q000453:epidemiology; D066300:Electronic Nicotine Delivery Systems / Q000706:statistics & numerical data*; D006801:Humans; D008297:Male; D009059:Mouth Diseases / Q000209:etiology; D010865:Pilot Projects; D012907:Smoking / Q000453:epidemiology*; D014030:Tobacco, Smokeless / Q000706:statistics & numerical data*