In vitro evaluation of hepatitis B virus polymerase mutations associated with famciclovir resistance
Xiaofeng Xiong, Huiling Yang, Christopher E. Westland, Ruiming Zou, Craig S. Gibbs – 30 December 2003 – Several mutations (V521L, P525L, L528M, T532S, and V555I) in the gene for hepatitis B virus (HBV) polymerase have been identified in HBV isolated from patients that displayed break‐through viremia during famciclovir treatment.