Suntadvoot, Choochuen, Mayuratana Tepmongkol, and Choomanee Lamom. “A study of V.D.R.L. in various diseases”. Siriraj Medical Journal 22, no. 8 (November 28, 2023): 794–800. accessed October 8, 2026. https://he02.tci-thaijo.org/index.php/sirirajmedj/article/view/264309.