From the Centers for Disease Control and Prevention. Cigarette smoking among high school students--11 states, 1991-1997.
D000293:Adolescent; D003430:Cross-Sectional Studies; D005260:Female; D006801:Humans; D008297:Male; D012044:Regression Analysis; D012574:Schools; D012907:Smoking / Q000453:epidemiology* / Q000639:trends; D014481:United States / Q000453:epidemiology