Z. Saeed, Mohammed. “Comparative Study of DNA Sequences for Genes Encoding Urease in Klebsiella Pneumoniae and Proteus Mirabilis”. Journal of Education and Science 27, no. 1 (March 1, 2014): 58–68. Accessed September 10, 2025. https://edusj.uomosul.edu.iq/index.php/edusj/article/view/41434.