Evans, D. J., Evans, D. G., DuPont, H. L., Orskov, F., & Orskov, I. (1977). Patterns of loss of enterotoxigenicity by Escherichia coli isolated from adults with diarrhea: Suggestive evidence for an interrelationship with serotype.

Evans, D J., D G. Evans, H L. DuPont, F. Orskov, ja I. Orskov. Patterns of Loss of Enterotoxigenicity By Escherichia Coli Isolated From Adults With Diarrhea: Suggestive Evidence for an Interrelationship With Serotype. 1977.

Evans, D J., et al. Patterns of Loss of Enterotoxigenicity By Escherichia Coli Isolated From Adults With Diarrhea: Suggestive Evidence for an Interrelationship With Serotype. 1977.