Tarek Besheer, et al. “Diagnosis of Cirrhosis in Patients With Chronic Hepatitis C Genotype 4: Role of ABCB11 Genotype Polymorphism and Plasma Bile Acid Levels”. Turkish Journal of Gastroenterology, vol. 29, no. 3, July 2019, pp. 299-07, https://tjg.avesjournals.com/index.php/tjg/article/view/3540.