Osama N. Negres و Ohood M Shakir (2023) "Stady of Effect of Klebsiella pneumonia K- a ntigen as a immune catalyzer for laboratory rabbits infected with Entamoeba histolytica", Tikrit Journal of Pure Science, 22(3), ص 36–48. doi: 10.25130/tjps.v22i3.710.