Authors: Heckel, JO Rietschel, W Hufert, FT

Citation: Jo. Heckel et al., Prevalence of hepatitis B virus infections in nonhuman primates, J MED PRIM, 30(1), 2001, pp. 14-19

Authors: Grethe, S Heckel, JO Rietschel, W Hufert, FT

Citation: S. Grethe et al., Molecular epidemiology of hepatitis B virus variants in nonhuman primates, J VIROLOGY, 74(11), 2000, pp. 5377-5381