Johnson, J. R., Stell, A. L., Kaster, N., Fasching, C., & O'Bryan, T. T. (2001). Novel Molecular Variants of Allele I of the Escherichia coli P Fimbrial Adhesin Gene papG. American Society for Microbiology.

Johnson, James R., Adam L. Stell, Nicholas Kaster, Claudine Fasching, and Timothy T. O'Bryan. Novel Molecular Variants of Allele I of the Escherichia Coli P Fimbrial Adhesin Gene PapG. American Society for Microbiology, 2001.

Johnson, James R., et al. Novel Molecular Variants of Allele I of the Escherichia Coli P Fimbrial Adhesin Gene PapG. American Society for Microbiology, 2001.