W. A. Bakir, N. H. Ismail, A. H. Latif, D. W. Abd, and Z. Z. Saied, “Cytotoxicity–Associated gene (CagA) Producing Helicobacter pylori Increased Risk of Developing Colorectal Carcinoma in Iraqi Patients”., AJPS, vol. 14, no. 1, pp. 143–149, Jun. 2014.