Choudhury, M. I. M., N. Shabnam, T. Ahsan, M. S. Kabir, R. Md Khan, and S. A. Ahsan. “Effect of 1% Povidone Iodine Mouthwash/Gargle, Nasal and Eye Drop in COVID-19 Patient”. Bioresearch Communications, vol. 7, no. 1, June 2021, pp. 919-23, doi:10.3329/brc.v7i1.54245.