Amar Prasad Chaudhary, Chiranjibi Sah, Yalda Hashemzadeboneh, & Jamuna TR. (2020). Covid-19: A Review of History, Clinical Presentation, Transmission, Pathogenesis, Diagnosis, Treatment and Prevention. Global Journal of Medical Research, 20(B6), 21–26. Retrieved from https://medicalresearchjournal.org/index.php/GJMR/article/view/2196