Okada, H., Iwamaru, Y., Imamura, M., Miyazawa, K., Matsuura, Y., Masujin, K., Murayama, Y., Yokoyama, T., (2017). Emerging Infectious Diseases 23(2), 284-287. National Center for Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, USA. English language
Okada, H., Masujin, K., Miyazawa, K., Iwamaru, Y., Imamura, M., Matsuura, Y., Arai, S., Fukuda, S., Murayama, Y., Yokoyama, T., (2017). Veterinary Pathology 54(6), 892-900. Sage Publications, Thousand Oaks, USA. English language
Okada, H., Iwamaru, Y., Imamura, M., Masujin, K., Matsuura, Y., Murayama, Y., Mohri, S., Yokoyama, T., (2011). Transboundary and Emerging Diseases 58(4), 333-343. Wiley-Blackwell, Berlin, Germany. English language
Okada, H., Masujin, K., Iwamaru, Y., Imamura, M., Matsuura, Y., Mohri, S., Czub, S., Yokoyama, T., (2011). Veterinary Pathology 48(5), 942-947. American College of Veterinary Pathologists Inc., Lawrence, USA. English language
Okada, H., Iwamaru, Y., Imamura, M., Masujin, K., Matsuura, Y., Shimizu, Y., Kasai, K., Mohri, S., Yokoyama, T., Czub, S., (2011). Veterinary Research 42(79), (23 June 2011). BioMed Central Ltd, London, UK. English language