Y Sugai

Hepatitis B viruses with precore region defects prevail in persistently infected hosts along with seroconversion to the antibody against e antigen

F Tsuda, H. Okamoto, F. Tsuda, 1990, Journal of virology.

Hepatitis B virus with mutations in the core promoter for an e antigen-negative phenotype in carriers with antibody to e antigen

F Tsuda, H. Okamoto, F. Tsuda, 1994, Journal of virology.