Moolasarn S., Sripa S., Kuessirikiet V., Sutawee K., Huasary J., Chaisila C., Chechom N., Sankan S..  2005.  Usage of and cost of complementary/alternative medicine in diabetic patients. Journal of the Medical Association of Thailand = Chotmaihet thangphaet. 88(11):1630-1637.