“The Effect of Immunizing Laboratory Rabbits Infected With Giardia Lamblia With Antigen (O) Purified from Escherichia Coli on Some Immunological Parameters”. Samarra Journal of Pure and Applied Science 5, no. 1 (March 30, 2023): 19–32. Accessed April 17, 2026. https://www.sjpas.com/index.php/sjpas/article/view/447.