Akram, A. ., M. T. . Islam, M. A. . Rahman, M. R. . Islam, M. M. . Ali, T. . Islam, L. . Akram, and M. A. . Reza. “The Prevalence of Asymptomatic COVID-19 Cases in a Single Center and Duration of Viral Clearance”. Bangladesh Journal of Medical Microbiology, vol. 15, no. 1, Jan. 2021, pp. 3-7, doi:10.3329/bjmm.v15i1.57805.