GACHA, D. C., OSPINA, L. P., PALACIOS, J. A. and AGUIRRE, O. R. (2020) “Objective: Antifungal activity of total ethanolic extract and fractions of Usnea varieties were proved against Aspergillus niger, Penicillium digitatum, and Rhizopus nigricans fungi. Methods: To perform the study of relative antifungal activity (AFR), flu”, Asian Journal of Pharmaceutical and Clinical Research, 13(10), pp. 171-174. doi: 10.22159/ajpcr.2020.v13i10.38962.