GÜRBÜZ, A. K., K. DAĞALP, S. BAĞCI, N. KARAEREN, and A. ALPER. 1993. “URSODEOXYCHOLIC ACID TREATMENT IN CHRONIC LIVER DISEASES OF VIRAL AETIOLOGY”. Turkish Journal of Gastroenterology 4 (3):409-12. https://turkjgastroenterol.org/index.php/tjg/article/view/338.