%0 Journal Article %T X-deficient woodchuck hepatitis virus mutants behave like attenuated viruses and induce protective immunity in vivo %A Zhang, Zhensheng %A Torii, Nobuyuki %A Hu, Zongyi %A Jacob, James %A Jake Liang, T. %J Journal of Clinical Investigation %@ 0021-9738 %D 2001-11-15 %I American Society for Clinical Investigation %~ DeepDyve