D. Ahmed, Khalid, and Ayad H. Hasan. “Study of Some DNA Plasmid Characters Purified From Klebsiella Pneumoniae Isolated from Various Human Infection”. Rafidain Journal of Science 16, no. 10 (August 1, 2005): 85–92. Accessed September 29, 2025. https://jwups.uomosul.edu.iq/index.php/rsci/article/view/46809.