Churdsak Jaikang และ Chaiyavat Chaiyasut. (2011) Contributions of caffeic acid and its derivatives to antioxidation, microsmal enzyme activities and toxicity on human liver cells /. Chiang Mai University,:ม.ป.ท.Churdsak Jaikang และ Chaiyavat Chaiyasut. 2011. Contributions of caffeic acid and its derivatives to antioxidation, microsmal enzyme activities and toxicity on human liver cells /. ม.ป.ท.:Chiang Mai University,;Churdsak Jaikang และ Chaiyavat Chaiyasut. Contributions of caffeic acid and its derivatives to antioxidation, microsmal enzyme activities and toxicity on human liver cells /. ม.ป.ท.:Chiang Mai University, 2011. Print.