Talukder, M. H. A. R. ., S. A. . Rahman, A. . Taous, and M. A. H. . Joarder. “Frequency of COVID-19 Infection in Patients With Sudden Loss of Smell”. Bangladesh Journal of Otorhinolaryngology, vol. 27, no. 2, Nov. 2021, pp. 152-8, doi:10.3329/bjo.v27i2.56362.