1. Summers J: Three recently described animal virus models for human hepatitis B virus. Hepatology 1981;1:179–183
2. Tabor E, Purcell R, London W, et al: Use and interpretation of results using inocula of hepatitis B virus with known infectivity titer. J Infect Dis 1983;147:531–534
3. Gerin J, Tennant B, Ponzetto A, et al: The woodchuck model of hepatitis-like virus infection and disease. In: Verme G, Bonino F, Rizzetto M, eds. Viral Hepatitis and Delta Infection. Alan R. Liss, Inc., New York 1983;23–28
4. Popper H, Shih J, Gerin J, et al: Woodchuck hepatitis and hepatocellular carcinoma: correlation of histologic and virologie observations. Hepatology 1981;1:91–98
5. Gerin J; The woodchuck (Marmota monax): an animal model of hepatitis B virus-like infection and disease.In: Chisari F, ed. Advances in Hepatitis. Masson Publishing, Inc, New York 1984;40–48