Rompsaithong, Ukrit, Pattama Amarttayakong, Jaturat Kanpittaya, Arada Chaiyamoon, and Sukrit Sangkhano. “Retroaortic Left Renal Vein and Its New Variations: Triple Retroaortic and Circumiliac Left Renal Veins”. Asia-Pacific Journal of Science and Technology 27, no. 05 (September 5, 2022): APST–27. Accessed December 8, 2022. https://so01.tci-thaijo.org/index.php/APST/article/view/261804.