Tarr, C. L., Large, T. M., Moeller, C. L., Lacher, D. W., Tarr, P. I., Acheson, D. W., & Whittam, T. S. (2002). Molecular Characterization of a Serotype O121: H19 Clone, a Distinct Shiga Toxin-Producing Clone of Pathogenic Escherichia coli. American Society for Microbiology.

Tarr, Cheryl L., Teresa M. Large, Chris L. Moeller, David W. Lacher, Phillip I. Tarr, David W. Acheson, e Thomas S. Whittam. Molecular Characterization of a Serotype O121: H19 Clone, a Distinct Shiga Toxin-Producing Clone of Pathogenic Escherichia Coli. American Society for Microbiology, 2002.

Tarr, Cheryl L., et al. Molecular Characterization of a Serotype O121: H19 Clone, a Distinct Shiga Toxin-Producing Clone of Pathogenic Escherichia Coli. American Society for Microbiology, 2002.