K. Jitpreeda, K. Boonasa, P. Sirirattanakul, and R. Kesonsombat, “Amylmetacresol and 2,4-dichlorobenzyl alcohol (AMC/DCBA) lozenge for postoperative sore throat: systematic review”, TCA, vol. 43, no. 3, pp. 71–80, Jun. 2019.