Petprasert, T. (2019) “Cold Application on Injection Area for Pain Reduction from Intramuscular Tetanus Vaccine Injection”, Royal Thai Air Force Medical Gazette, 65(3), pp. 16–19. available at: https://he02.tci-thaijo.org/index.php/rtafmg/article/view/236142 (accessed: 3 October 2026).