Ogawa, Y., Goto, H., Hirano, T., Shimizu, K., Ohno, Y., Kuroda, H., & Hongo, H. (1983). Sero-epizootiological study on swine influenza in a prefecture of Japan. Cambridge University Press.

Ogawa, Y., H. Goto, T. Hirano, K. Shimizu, Y. Ohno, H. Kuroda, ja H. Hongo. Sero-epizootiological Study On Swine Influenza in a Prefecture of Japan. Cambridge University Press, 1983.

Ogawa, Y., et al. Sero-epizootiological Study On Swine Influenza in a Prefecture of Japan. Cambridge University Press, 1983.