A. AL-Taii, Raja, and Muna H. Jankeer. “Activity and Properties of 5- Nucleotidase in Human Amniotic Fluid”. Rafidain Journal of Science 20, no. 5 (July 1, 2009): 25–34. Accessed September 28, 2025. https://jamh.uomosul.edu.iq/index.php/rsci/article/view/46735.