Hayes, P. S., Graves, L. M., Ajello, G. W., Swaminathan, B., Weaver, R. E., Wenger, J. D., . . . Broome, C. V. (1991). Comparison of cold enrichment and U.S. Department of Agriculture methods for isolating Listeria monocytogenes from naturally contaminated foods. The Listeria Study Group.

Hayes, P S., L M. Graves, G W. Ajello, B. Swaminathan, R E. Weaver, J D. Wenger, A. Schuchat, and C V. Broome. Comparison of Cold Enrichment and U.S. Department of Agriculture Methods for Isolating Listeria Monocytogenes From Naturally Contaminated Foods. The Listeria Study Group. 1991.

Hayes, P S., et al. Comparison of Cold Enrichment and U.S. Department of Agriculture Methods for Isolating Listeria Monocytogenes From Naturally Contaminated Foods. The Listeria Study Group. 1991.