Smoking among secondary schoolchildren.
Charlton
A
A
White
D
D
D000293:Adolescent; D002648:Child; D005260:Female; D006266:Health Education; D006801:Humans; D008297:Male; D015995:Prevalence; D012907:Smoking / Q000453:epidemiology*; D000074606:Smoking Prevention; D006113:United Kingdom / Q000453:epidemiology; D014481:United States / Q000453:epidemiology