“Study of the Cytotoxic Effect of New Copper(II) Complexes and Aqueous Extract of Origanum Vulgare L. Plant on Cancer )Cell Line RD)”. Al-Nahrain Journal of Science, vol. 15, no. 2, June 2012, pp. 23-28, https://anjs.edu.iq/index.php/anjs/article/view/1022.