4Perz JF, Armstrong GL, Farrington LA, et al. The contributions of hepatitis B virus and hepatitis C virus infections to cirrhosis and prima- ry liver cancer worldwide [J]. J Hepatol,2006,45(4): 529-538.
5Jeanne MF, Dock GW, Chen PH, et al. Family physicians, knowledge and screening of chronic hepatitis and liver cancer[Jj. Faro Med, 2008, 40(5): 345-351.
6All Kabir, Seyed Vahid Tabatabaei, Siamak Khaleghi, et al. Knowl edge, attitudes and practice of iranian medical specialists regarding hepatitis B and C [J]. Hepat Mon, 2010, 10 (3): 176-182.
7Bo Feng, Jin Zhang, Lai Wei. Inadequate awareness of hepatitis C among nonspecialist physicians in China[J]. Advances in Medi- cal Education and Practice, 2011, 2: 209-214.