School tobacco policy: a medical perspective.
DiFranza
J R
JR
Family Practice Residency Program, University of Massachusetts Medical Center, Fitchburg 01420.
D000293:Adolescent; D002648:Child; D006266:Health Education; D006293:Health Promotion / Q000379:methods*; D006801:Humans; D010290:Parents; D012574:Schools / Q000592:standards*; D014029:Tobacco Use Disorder / Q000517:prevention & control*