"Development and Validation of an Objective Risk Scoring System for Assessing the Likelihood of Virus Introduction in Porcine Reproductive and Respiratory Syndrome Virus-Free Sow Farms in the US"
written by Derald J. Holtkamp, Hui Lin, Chong Wang, Dale D. Polson,
published by Open Journal of Veterinary Medicine, Vol.3 No.2, 2013
has been cited by the following article(s):
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