Okamoto, H., Imai, M., Tsuda, F., Tanaka, T., Miyakawa, Y., & Mayumi, M. (1987). Point mutation in the S gene of hepatitis B virus for a d/y or w/r subtypic change in two blood donors carrying a surface antigen of compound subtype adyr or adwr.

Okamoto, H., M. Imai, F. Tsuda, T. Tanaka, Y. Miyakawa, ja M. Mayumi. Point Mutation in the S Gene of Hepatitis B Virus for a D/y or W/r Subtypic Change in Two Blood Donors Carrying a Surface Antigen of Compound Subtype Adyr or Adwr. 1987.

Okamoto, H., et al. Point Mutation in the S Gene of Hepatitis B Virus for a D/y or W/r Subtypic Change in Two Blood Donors Carrying a Surface Antigen of Compound Subtype Adyr or Adwr. 1987.