Evaluation of CYP3A activity among subjects with different CYP2C19 genotypes using endogenous metabolic markers. Issue 1 (January 2017) - Kim, Andrew; Oh, Jaeseong; Kim, Bora; Lee, Jieon; Ji, Sang Chun; Lee, SeungHwan; Yu, Kyung-Sang; Jang, In-Jin; Cho, Joo-Youn