Loharattanakong, P., Ritthiboon, P., Hongrinya, Y., Chaichun, M., Taksinachanekij, S. and Uchaipichat, V. 2016. Warfarin using knowledge and international normalized ratio goal control in outpatients of Queen Sirikit heart center of the northeast. Srinagarind Medical Journal. 31, 3 (Jun. 2016), 257–265.