Ertuğrul Güçlü, et al. “Hepatitis B Virus Reactivation During Direct-Acting Antiviral Agent-Based Therapy for Chronic Hepatitis C”. Turkish Journal of Gastroenterology, vol. 31, no. 4, May 2020, pp. 344-5, https://tjg.avesjournals.com/index.php/tjg/article/view/3886.