1) Kapikian, A. Z. (1994). Norwalk and Norwalk-like viruses. In “Viral infections of the gastrointestinal tract”. (ed. by Kapikian, A. Z.). Marcel Dekker, Inc., New York, pp. 471-518.
2) Kapikian, A. Z., Estes, M. K., and Chanock, R. M. (1996). Norwalk group of viruses. In “Fields Virology, Third Edition”. (eds, by Fields, B. N., Knipe, D. M., Howly, P. M., Chanock, R. M., Melnick, J. L., Monath, T. P., Roizman, B., and Straus, S. E.). Lippincott-Raven Publishers, Philadelphia, Vol. 1, pp. 783-810.
3) Estes, M. K., Atmar, R. L., and Hardy, M. E. (1997). Norwalk and related diarrhea viruses. In “Clinical Virology”. (eds. by Richmann, D. D., Whitley, R. J., and Hayden, F. G.). Churchill Livingstone Inc., New York, pp. 1073-1095.
4) Clarke, I. N., Lambden, P. R., and Caul, E. O. (1998). Human enteric RNA viruses: caliciviruses and astroviruses. In “Topley & Wilson's Microbiology and Microbial Infections, 9th ed”. (eds. by Mahy, B. W. J. and Collier, L.). Arnold, London, 1998, Vol. 1, pp. 511-535.
5) Green, K. Y., Ando, T., Balayan, M. S., Berke, T., Clarke, I. N., Estes, M. K., Matson, D. O., Nakata, S., Neill, J. D., Studdert, M. J., and Thiel, H. -J. (2000). Taxonomy of the Calicivuruses. J. Infect. Dis. 181 (Suppl 2), S322-330.
