In vitro evaluation of the antiviral activity of extracts from the lichen Parmelia perlata (L.) Ach. against three RNA viruses

By Charles O. Esimone, Kenneth C. Ofokansi, Michael U. Adikwu, Emmanuel C. Ibezim, Dominic O. Abonyi, Georgina N. Odaibo, and David O. Olaleye