Nagi, R. S., Singh, S. P., & Duggal, P. (2020). Asymptomatic COVID-19 patients: a threat to an active otolaryngologist. International Journal of Otorhinolaryngology and Head and Neck Surgery, 6(9), 1762–1764. https://doi.org/10.18203/issn.2454-5929.ijohns20203591