Tetsuya Ishikawa

The Phylogeny of Acetic Acid Bacteria Based on the Partial Sequences of 16S Ribosomal RNA: The Elevation of the Subgenus<i>Gluconoacetobacter</i>to the Generic Level

Yuzo Yamada, Ken-ichiro Hoshino, Tetsuya Ishikawa · Bioscience Biotechnology and Biochemistry · 1997 · 268 citations · Full text

Life Sciences, Microbiology, Molecular Biology +17

Hepatitis C virus genotypes are not responsible for development of serious liver disease

Masaki Yamada, Shinichi Kakumu, Kentaro Yoshioka et al. · Digestive Diseases and Sciences · 1994 · 113 citations

Medicine, Genetics, Infectious Diseases +14

Serial analysis of hepatitis B virus core nucleotide sequence of patients with acute exacerbation during chronic infection

Akihiko Okumura, Masahiro Takayanagi, Toshiyuki Aiyama et al. · Journal of Medical Virology · 1996 · 22 citations · Full text

Life Sciences, Immunology, Microbiology +7

Effect of sizofiran, a polysaccharide, on interferon gamma, antibody production and lymphocyte proliferation specific for hepatitis B virus antigen in patients with chronic hepatitis B

Shinichi Kakumu, Tetsuya Ishikawa, Takaji Wakita et al. · International Journal of Immunopharmacology · 1991 · 19 citations

Veterinary Medicine, Immunology, Infectious Diseases +15

Mutation at codon 130 in hepatitis B virus (HBV) core region increases markedly during acute exacerbation of hepatitis in chronic HBV carriers

Akihiko Okumura, Tetsuya Ishikawa, Kentaro Yoshioka et al. · Journal of Gastroenterology · 2001 · 19 citations

Life Sciences, Genetics, Molecular Genetics +8