Ashraf, A., Iqbal, M.N., Yunus, F.- un-N., Ali, M.A., Ali, S., Shahzad, M.I., Saleem, M. and Muhammad, A. 2020. A Comprehensive Review of Pathogenesis, Clinical Manifestations, Complications, Diagnosis, and Investigational Therapeutics of COVID-19. International Journal of Molecular Microbiology. 3, 2 (Aug. 2020), 35–41.