Al-Shammari, W. A. M.; Salih, R. K.; Muteab, N. M.; Alwan, O. K.; Mohammed, A. M. Impact of Preparation Technique on The Synthesis of Cr2O3 NPs and Investigation of Cytotoxicity Against the MCF-7 Breast Cancer Cell Line. ijnras 2025, 4, 271-274.