... over the years in understanding the behavior and clinical course of the disease; however, the natural history of HBV is complex and we still have much to explore and learn. KKee y y wwoorrddss ... history of an immunologically mediated liver disease. Gastroenterology 2001;120:1009-1022. 9. Fattovich G. Natural history of hepatitis B. Journal of Hepatology 2003, 39: S50-S58. Types Risk ... Pan1 and Jin X. Zhang2 1 Division of Gastroenterology and Hepatology, Elmhurst Hospital Center of Mount Sinai Services, Mount Sinai School of Medicine, New York, USA 2 Division of Gastroenterology,...