TY - JOUR A1 - Perz, J.F. A1 - Armstrong, G.L. A1 - Farrington, L.A. A1 - Y.J.F., Hutin A1 - Bell, B.P. T1 - The contributions of Hepatitis B virus and Hepatitis C virus infections to cirrhosis and primary liver cancer worldwide Y1 - 2006 DO - 10.1016/j.jhep.2006.05.013 JF - Journal of Hepatology VL - 45 IS - 4 ER -