2. Galeno, H. et. al. (2002) Emerg. Infect. Dis. 8, 657 – 661.
3. Meissner, J.D. et. al. (2002) Virus Res. 89, 131 – 143.
4. Padula P.J. et. al. (2002) J. Gen. Virol. 83, 2117 – 2122.
5. Schmaljohn, C. et al. (1997) Emerg. Infect. Dis. 3, 95 – 104.
6. Godoy et. al. (2009) J. Virol. 83:5046-55.