Padungpakdeewong, E. (2017) “Comparison Outcomes of Local Anesthesia and Spinal Anesthesia in Tension-Free Herniorrhaphy: Randomized Controlled Trial”, Vajira Medical Journal : Journal of Urban Medicine, 60(4), pp. 269–276. available at: https://he02.tci-thaijo.org/index.php/VMED/article/view/100348 (accessed: 19 September 2026).