Siahpush, M., & ET AL. (2013). Socioeconomic variations in nicotine dependence, self-efficacy, and intention to quit across four countries: Findings from the International Tobacco Control (ITC) Four Country Survey. https://doi.org/10.1136/tc.2004.008763
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Chicago-referens (17:e uppl.)
Siahpush, M., och ET AL. Socioeconomic Variations in Nicotine Dependence, Self-efficacy, and Intention to Quit Across Four Countries: Findings from the International Tobacco Control (ITC) Four Country Survey. 2013. https://doi.org/10.1136/tc.2004.008763.
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MLA-referens (9:e uppl.)
Siahpush, M., och ET AL. Socioeconomic Variations in Nicotine Dependence, Self-efficacy, and Intention to Quit Across Four Countries: Findings from the International Tobacco Control (ITC) Four Country Survey. 2013. https://doi.org/10.1136/tc.2004.008763.
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