I. Dallal Bashi, Z., زهراء, AL-Chalabi, K., قصي, H. Janker, M. and منى 2025. Presence and Properties of Cytidine Deaminase in Free living Ciliata Tetrahymena pyriformis. Rafidain Journal of Science. 17, 5 (Jun. 2025), 14–25. DOI:https://doi.org/10.33899/rjs.2006.42806.