Pongtintongngam, Sirina. “Comparison of Antibody Identification by Gel Test and Conventional Tube Test”. Vajira Medical Journal : Journal of Urban Medicine 45, no. 3 (September 21, 2011): 231–236. accessed September 20, 2026. https://he02.tci-thaijo.org/index.php/VMED/article/view/163.