TY - JOUR T1 - Tar Wars and Smoking Prevention: Premature Claim of Effectiveness JF - The Journal of the American Board of Family Medicine JO - J Am Board Fam Med SP - 80 LP - 80 DO - 10.3122/jabfm.2008.01.070189 VL - 21 IS - 1 AU - Tonya Johnson AU - Alan Blum Y1 - 2008/01/01 UR - http://www.jabfm.org/content/21/1/80.abstract N2 - ER -