TY - JOUR T1 - Longitudinal relationship between relative harm perceptions, beliefs about organic and additive-free tobacco, and cigarette brand switching among Natural American Spirit, Camel and Marlboro cigarette smokers AU - Pearson, Jennifer AU - Gratale, Stefanie Kristen AU - Ganz, Ollie AU - Erinoso, Olufemi A. AU - Ohman-Strickland, Pamela AU - Wackowski, Olivia A. PY - 2025 DO - 10.1136/tc-2023-057933 SP - 71 EP - 77 JO - Tobacco Control VL - 34 IS - 1 SN - 0964-4563 ER -