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Land altitude, slope, and coverage as risk factors for Porcine Reproductive and Respiratory Syndrome (PRRS) outbreaks in the United States
- Andréia Gonçalves Arruda,
- Carles Vilalta,
- Andres Perez,
- Robert Morrison
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- Published: April 17, 2017
- https://doi.org/10.1371/journal.pone.0172638