M. Dawood, Rukzan, and Hathama R. Hasan. “Study of Some Hydrolytic Enzymes in Sera and Saliva of Patients With Oral Epithelial Tumors”. Rafidain Journal of Science 22, no. 3 (April 1, 2011): 11–28. Accessed September 28, 2025. https://jamh.uomosul.edu.iq/index.php/rsci/article/view/47408.