@article{El-Serag2012,
author = {El-Serag, H.B. },
title= {Epidemiology of viral hepatitis and hepatocellular carcinoma},
year = {2012},
doi = {10.1053/j.gastro.2011.12.061},
journal = {Gastroenterology },
volume = {142},
pages = {1264--1273},
}