Sura Amer Kadhim and Nabaa Abbas Fadhel 2023. A Study on the Biological Effectiveness of the Effect, Occurring by Copper Nanoparticles when Using the Yerba Mate Extract. Central Asian Journal of Medical and Natural Science. 4, 3 (Jun. 2023), 605-608. DOI:https://doi.org/10.51699/cajmns.v4i3.1570.