Light cigarettes falsely ease smokers' fear of lung cancer, say researchers from the Ohio State University.
원문출처 : http://www.cnn.com/2017/05/24/health/light-cigarettes-filters-lung-cancer-study/index.html
원문출처 : http://www.cnn.com/2017/05/24/health/light-cigarettes-filters-lung-cancer-study/index.html