S. S. AL-Sherefat, N., and A.-S. M. Al-Mukhtar. “Identification of Cryptosporidium Among Immunocompromised Indviduals”. Annals of the College of Medicine, Mosul, vol. 31, no. 2, Dec. 2005, pp. 83-86, doi:10.33899/mmed.2005.8861.