Katemateegaroon, Dussanee, and Narumol Jarensiripornkul. 2013. “Warfarin-Related Problems : Implementation of Anticoagulation Clinic”. Srinagarind Medical Journal 17 (4):281-88. https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/14430.