Jiamton, Sukhum, Nuttagarn Jantanapornchai, Ya-Nin Nokdhes, Poramin Patthamalai, Ploypailin Tantrapornpong, Yanisorn Nanchaipruek, and Pichaya Limpoka. “Lidocaine Reducing Pain from Benzathine Penicillin Injection: A Controlled Trial”. Siriraj Medical Journal 74, no. 10 (October 1, 2022): 699–704. Accessed May 7, 2024. https://he02.tci-thaijo.org/index.php/sirirajmedj/article/view/259550.