Jitpreeda, K., K. Boonasa, P. Sirirattanakul, and R. Kesonsombat. “Amylmetacresol and 2,4-Dichlorobenzyl Alcohol (AMC/DCBA) Lozenge for Postoperative Sore Throat: Systematic Review”. The Clinical Academia, vol. 43, no. 3, June 2019, pp. 71-80, https://he02.tci-thaijo.org/index.php/theclinicalacademia/article/view/182146.