Miller, D. L., Hatkin, J., Radi, Z. A., & Mauel, M. J. (2004). An Escherichia Coli Epizootic in Captive Mallards (Anas platyrhynchos). International Journal of Poultry Science, 3(3), 206–210. https://doi.org/10.3923/ijps.2004.206.210