T. Mamaethong, S. Ammaraporn, T. Ngaowattanaprateep, and P. Boorapasiriwat, “Efficacy of Benzydamine Hydrochloride in Reducing Postoperative Sore Throat after General Anesthesia with Endotracheal Tube: a Randomized Controlled Trial”, Thai J Anesthesiol, vol. 52, no. 4, pp. 225–234, Aug. 2026.