Husen, Libya, Gontar Alamsyah Siregar, and Masrul Lubis. “The Difference of Hypoxic Inducible Factor-1α, Vascular Endothelial Growth Factor, and Transforming Growth Factor-β1 Based on Liver Fibrosis Severity in Patients With Chronic Hepatitis B”. Open Access Macedonian Journal of Medical Sciences 9, no. B (January 19, 2021): 91–95. Accessed May 5, 2024. https://oamjms.eu/index.php/mjms/article/view/5639.