Decreasing prevalence of smoking in Spain.
Alvarez
F J
FJ
Del Rio
M C
MC
D000293:Adolescent; D000328:Adult; D005260:Female; D006801:Humans; D008297:Male; D015995:Prevalence; D012907:Smoking / Q000453:epidemiology*; D016540:Smoking Cessation / Q000706:statistics & numerical data*; D000074606:Smoking Prevention; D013030:Spain / Q000453:epidemiology; D013334:Students