title: Tar wars and smoking prevention: premature claim of effectiveness.
authors.forename: Tonya
authors.initials: T
authors.lastname: Johnson
authors.forename: Alan
authors.initials: A
authors.lastname: Blum
mesh_terms: D006293:Health Promotion; D006801:Humans; D016730:Program Development; D015397:Program Evaluation; D016540:Smoking Cessation / Q000379:methods* / Q000706:statistics & numerical data*; D000074606:Smoking Prevention