Saeseow, O., A. Sookprasert, V. Bhudhisawad, V. Laopaiboon, and C. Pirojkul. 2013. “Efficacy of Capecitabine in Patients With Advanced Cholangiocarcinoma”. Srinagarind Medical Journal 21 (4):318-25. https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/13693.