Taro Yamanaka

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.

Chronic active hepatitis with hepatitis B virus DNA and antibody against e antigen in the serum. Disturbed synthesis and secretion of e antigen from hepatocytes due to a point mutation in the precore region.

H. Okamoto, F. Tsuda, Y. Miyakawa, 1990, Gastroenterology.