![Hepatitis B virus DNA is frequently found in liver biopsy samples from hepatitis C virus-infected chronic hepatitis patients]()
Hepatitis B virus DNA is frequently found in liver biopsy samples from hepatitis C virus-infected chronic hepatitis patientsKoike, Katsuro; Kobayashi, Midori; Gondo, Morio; Hayashi, Izumi; Osuga, Toshiaki; Takada, Shinako · Journal of Medical Virology · 1998