title: E-cigarettes raise teens' risk of persistent cough and wheeze, study finds.
authors.affiliation: London.
authors.forename: Susan
authors.initials: S
authors.lastname: Mayor
mesh_terms: D000293:Adolescent; D001991:Bronchitis / Q000209:etiology*; D002140:California; D003371:Cough / Q000209:etiology*; D066300:Electronic Nicotine Delivery Systems / Q000009:adverse effects*; D005260:Female; D006801:Humans; D008297:Male; D012135:Respiratory Sounds / Q000209:etiology*; D012306:Risk