Selected cigarette smoking initiation and quitting behaviors among high school students--United States, 1997.
D000293:Adolescent; D000294:Adolescent Behavior; D006801:Humans; D015995:Prevalence; D012309:Risk-Taking; D012907:Smoking / Q000453:epidemiology*; D016540:Smoking Cessation; D013334:Students; D014481:United States / Q000453:epidemiology