Duerden, M., Coutinho, G. and Kulasekaran, A. (2021) “Worldwide Comparison of Symptoms and Symptomatic Treatment Recommendations in Mild COVID-19: Global Review of Symptoms and Symptomatic Treatments in Mild COVID-19”, Journal of Current Medical Research and Opinion, 4(08), pp. 1009–1025. doi: 10.52845/CMRO/2021/4-8-1.