S. Kadhem H, T. Flayyih M. Isolation and Identification of Vancomycin-Resistant Enterococcus Faecalis. Iraqi Journal of Science. 2023;55(4B):1811-1816. Accessed December 15, 2025. https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/10775