Lumban Tobing, Richard Togi, et al. “Correlation of Platelet-Derived Growth Factor-BB Levels As a Biomarker of Liver Fibrosis With the Degree of Fibrosis Based on Fibroscan in Chronic Hepatitis B Patients”. Bioscientia Medicina : Journal of Biomedicine and Translational Research, vol. 8, no. 1, Dec. 2023, pp. 3917-22, https://doi.org/10.37275/bsm.v8i1.913.