Chaijaroonkhanarak, Wunnee, Worawut Woraputtaporn, Pattama Amarttayakong, Jariya Umka, Kamoltip Brown, Wanassanan Pannangrong, and Malivalaya Namking. 2013. “Length, Diameter and Variation of Types of Portal Vein Formation in Northeastern Thais”. Srinagarind Medical Journal 25 (4):323-27. https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/12958.