Sirisangtragul, W., and B. Sripanidkulchai. “MODURATORY EFFECT OF THAI TRADITIONAL MEDICINE (YAHOM TULTAVAI) ON HEPATIC CYTOCHROME P450 ENZYMES AND PENTOBARBITAL-INDUCED SLEEPING IN MICE”. African Journal of Traditional, Complementary and Alternative Medicines, vol. 10, no. 4, Apr. 2013, pp. 128-36, https://journals.athmsi.org/index.php/ajtcam/article/view/1452.