Smoke rising.
Vail
S
S
Mann
J
J
D000293:Adolescent; D000328:Adult; D000329:Advertising / Q000331:legislation & jurisprudence; D002170:Canada / Q000453:epidemiology; D006801:Humans; D008402:Mass Media; D012907:Smoking / Q000453:epidemiology; D000074606:Smoking Prevention