Muliaty, Dewi, Irawan Yusuf, Rianto Setiabudy, and Septelia I. Wanandi. “CYP2A6 Gene Polymorphisms Impact to Nicotine Metabolism”. Medical Journal of Indonesia 19, no. 1 (February 1, 2010): 46-51. Accessed September 27, 2020. http://mji.ui.ac.id/journal/index.php/mji/article/view/377.