Brault, A. C., Langevin, S. A., Bowen, R. A., Panella, N. A., Biggerstaff, B. J., Miller, B. R., & Komar, N. (2004). Differential Virulence of West Nile Strains for American Crows. Centers for Disease Control and Prevention.

Brault, Aaron C., Stanley A. Langevin, Richard A. Bowen, Nicholas A. Panella, Brad J. Biggerstaff, Barry R. Miller, i Nicholas Komar. Differential Virulence of West Nile Strains for American Crows. Centers for Disease Control and Prevention, 2004.

Brault, Aaron C., et al. Differential Virulence of West Nile Strains for American Crows. Centers for Disease Control and Prevention, 2004.