Çelikbilek, Mehmet, Haldun Selçuk, and Uğur Yılmaz. 2012. “The Effect of Hepatotropic Virus (HBV-HCV) Infections on Tuberculin Skin Test in Patients With Cirrhosis”. Turkish Journal of Gastroenterology 23 (3):234-38. https://doi.org/10.4318/tjg.2012.0341.