Nelsen, C. J., Murtaugh, M. P., & Faaberg, K. S. (1999). Porcine Reproductive and Respiratory Syndrome Virus Comparison: Divergent Evolution on Two Continents. American Society for Microbiology.
Chicago Style CitationNelsen, Chris J., Michael P. Murtaugh, i Kay S. Faaberg. Porcine Reproductive and Respiratory Syndrome Virus Comparison: Divergent Evolution On Two Continents. American Society for Microbiology, 1999.
Cita MLANelsen, Chris J., Michael P. Murtaugh, i Kay S. Faaberg. Porcine Reproductive and Respiratory Syndrome Virus Comparison: Divergent Evolution On Two Continents. American Society for Microbiology, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.