Trisiriwnich, Sakalin, Surintra Lhanwong, Thitiporn Sompong, and Phurit Songthananit. “Potency Test of Diphtheria Vaccine by Using ELISA Technique to Evaluate in Mice Immune Response”. Thai Food and Drug Journal 27, no. 3 (September 10, 2020): 59–66. Accessed April 27, 2024. https://he01.tci-thaijo.org/index.php/fdajournal/article/view/244978.