S Yotsumoto

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

Hiroaki Okamoto, S Yotsumoto, Y. Akahane et al. · Journal of Virology · 1990 · 518 citations · Full text

Vaccination, Viral Replication, Molecular Virology +15

The 5'-terminal sequence of the hepatitis C virus genome.

Hiroaki Okamoto, S Okada, Y Sugiyama et al. · PubMed · 1990 · 484 citations

Virus Structure, 5'-Terminal Sequence, Prototype Hcv +15

Naturally occurring escape mutants of hepatitis B virus with various mutations in the S gene in carriers seropositive for antibody to hepatitis B surface antigen

Kayoko Yamamoto, Minoru Horikita, Fumio Tsuda et al. · Journal of Virology · 1994 · 306 citations · Full text

Escape Mutants, Viral Replication, Molecular Virology +14

Enzyme-linked immunosorbent assay for antibodies against the capsid protein of hepatitis C virus with a synthetic oligopeptide.

Hiroaki Okamoto, Eisuke Munekata, Fumio Tsuda et al. · PubMed · 1990 · 89 citations

Vaccination, Diagnostic Virology, Molecular Virology +15