Oncogenic potential of hepatitis B virus.Katsuro Koike, Midori Kobayashi, Sanami Takada et al.|PubMed|1983Cited by 64
A transcription initiation site for the hepatitis B virus X gene is directed by the promoter-binding proteinKatsuyuki Yaginuma, Katsuro Koike, Ikuo Nakamura et al.|Journal of Virology|1993Cited by 20
Identification of a binding protein to the X gene promoter region of hepatitis B virusIkuo Nakamura, Katsuro Koike|Virology|1992Cited by 18
Contribution of HBV X Gene Expression to Hepatic CarcinogenesisShinako Takada, Katsuro Koike, Katsuyuki Yaginuma et al.|Unknown|1994Cited by 1