Ahmed, Basheer Ayyed, and Nuha J. Kandala. “B-Cell Lymphoma 9 (BCL9) Gene Methylation As a Biomarker for Gastrointestinal Diseases and Gastric Cancer Risk”. Iraqi Journal of Science, vol. 67, no. 4, Apr. 2026, pp. 2242-55, https://doi.org/10.24996/ijs.2026.67.4.27.