Quitting sooner: a new climate for tobacco cessation.
Cushman
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R
Medline
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D000293:Adolescent; D000294:Adolescent Behavior; D002170:Canada; D006801:Humans; D020340:Tobacco Use Cessation / Q000523:psychology; D014029:Tobacco Use Disorder / Q000517:prevention & control* / Q000523:psychology