Citation:
Choi YJ, Seo HG, Kim Y, Kim EY, Fong GT, Yan M, et al. Tobacco related knowledge is associated with heaviness of smoking index (HSI) and intention to quit among Korean smokers: Findings from the 2016 ITC Korea Survey. Journal of the Korean Society for Research on Nicotine and Tobacco. 2018;9:S31–S38.