TY - JOUR AU - DiFranza, Joseph R. AU - Savageau, Judith A. AU - Fletcher, Kenneth E. PY - 2009 DA - 2009/04/17 TI - Enforcement of underage sales laws as a predictor of daily smoking among adolescents – a national study JO - BMC Public Health SP - 107 VL - 9 IS - 1 AB - With a goal to reduce youth smoking rates, the U.S. federal government mandated that states enforce laws prohibiting underage tobacco sales. Our objective was to determine if state compliance with tobacco sales laws is associated with a decreased risk of current daily smoking among adolescents. SN - 1471-2458 UR - https://doi.org/10.1186/1471-2458-9-107 DO - 10.1186/1471-2458-9-107 ID - DiFranza2009 ER -