RT Article T1 Differential impact of tobacco control policies on youth sub-populations JF International journal of environmental research and public health VO 10 IS 9 SP 4306 OP 4322 A1 Tauras, John A. A2 Chaloupka, Frank J. A2 Huang, Jidong LA English YR 2013 UL https://krimdok.uni-tuebingen.de/Record/1912513935 DO 10.3390/ijerph10094306