Darmadi, D., R. H. Ruslie, and C. Pakpahan. “Vascular Endothelial Growth Factor Levels Difference Among Hepatocellular Cancer Patients Based on Barcelona Clinic Liver Cancer Staging”. Open Access Macedonian Journal of Medical Sciences, vol. 9, no. B, Aug. 2021, pp. 797-00, doi:10.3889/oamjms.2021.6598.