Oh, J. Y., Bancroft, J. E., Cunningham, M. C., Keene, W. E., Lyss, S. B., Cieslak, P. R., & Hedberg, K. (2010). Comparison of Survey Methods in Norovirus Outbreak Investigation, Oregon, USA, 2009. Centers for Disease Control and Prevention.

Oh, John Y., June E. Bancroft, Margaret C. Cunningham, William E. Keene, Sheryl B. Lyss, Paul R. Cieslak, and Katrina Hedberg. Comparison of Survey Methods in Norovirus Outbreak Investigation, Oregon, USA, 2009. Centers for Disease Control and Prevention, 2010.

Oh, John Y., et al. Comparison of Survey Methods in Norovirus Outbreak Investigation, Oregon, USA, 2009. Centers for Disease Control and Prevention, 2010.