Ramachandran, V., Hornitzky, M. A., Bettelheim, K. A., Walker, M. J., & Djordjevic, S. P. (2001). The Common Ovine Shiga Toxin 2-Containing Escherichia coli Serotypes and Human Isolates of the Same Serotypes Possess a Stx2d Toxin Type. American Society for Microbiology.

Ramachandran, Vidiya, Michael A. Hornitzky, Karl A. Bettelheim, Mark J. Walker, and Steven P. Djordjevic. The Common Ovine Shiga Toxin 2-Containing Escherichia Coli Serotypes and Human Isolates of the Same Serotypes Possess a Stx2d Toxin Type. American Society for Microbiology, 2001.

Ramachandran, Vidiya, et al. The Common Ovine Shiga Toxin 2-Containing Escherichia Coli Serotypes and Human Isolates of the Same Serotypes Possess a Stx2d Toxin Type. American Society for Microbiology, 2001.