TY - JOUR AU - Post, A; Gilljam, H; Rosendahl, I; Meurling, L; Bremberg, S; Galanti, M R TI - Validity of self reports in a cohort of Swedish adolescent smokers and smokeless tobacco (snus) users JO - Tob Control VL - 14 PY - 2005 DO - 10.1136/tc.2004.008789 SP - 114 EP - 117 ER -