1. Salmonella epidemiology: A whirlwind of change
2. Hoffmann, S.; Maculloch, B.; Batz, M. Current Politics and Economics of the United States Canada and Mexico; 2015; Vol. 17, p 543.
3. Sample Preparation: The Forgotten Beginning
4. National
poultry improvement plan and auxiliary provisions; APHIS
91-55-088; U.S. Department of Agriculture: Conyers, GA, 2009;
pp 116–124.