Inklebarger , J. ., Gyer, G. ., Galanis, N. ., Michael, J. ., & Adel, G. (2020). Cinchona Bark For The Treatment Of Covid-19 Pnemonia: A Modern Review Of The Potential Anti-Viral Therapuetic Applications Of An Old Treatment. International Journal of Medical Science and Clinical Invention, 7(05), 4795–4801. https://doi.org/10.18535/ijmsci/v7i05.02