T. Almohanna, F. M. Auda, and B. M. . Ali, “Early Detection of Digestive System Cancers: Insights from Enzymatic and Non-Enzymatic Tumour Markers : Biomarkers in Digestive System Cancer ”, J Med Biochem, vol. 44, no. 3, pp. 631–636, Apr. 2025, doi: 10.5937/jomb0-56390.