Biogenic synthesis of copper oxide nanoparticles using <i>olea europaea</i> leaf extract and evaluation of their toxicity activities: An <i>in vivo</i> and <i>in vitro</i> studyGhassan M. Sulaiman, Marwa D. Jaaffer, Amer T. Tawfeeq|Biotechnology Progress|2017Cited by 137