Hossain, Muhammad Sazzad, et al. “Dexamethasone Is Cost-Effective Alternative to Ondansetron in Preventing Post-Operative Nausea and Vomiting”. Bangladesh Journal of Otorhinolaryngology, vol. 24, no. 1, Feb. 2020, pp. 14-21, doi:10.3329/bjo.v24i1.45329.