Perez, D. R., Lim, W., Seiler, J. P., Yi, G., Peiris, M., Shortridge, K. F., & Webster, R. G. (2003). Role of Quail in the Interspecies Transmission of H9 Influenza A Viruses: Molecular Changes on HA That Correspond to Adaptation from Ducks to Chickens. American Society for Microbiology.

Perez, Daniel R., Wilina Lim, Jon P. Seiler, Guan Yi, Malik Peiris, Kennedy F. Shortridge, i Robert G. Webster. Role of Quail in the Interspecies Transmission of H9 Influenza A Viruses: Molecular Changes On HA That Correspond to Adaptation From Ducks to Chickens. American Society for Microbiology, 2003.

Perez, Daniel R., et al. Role of Quail in the Interspecies Transmission of H9 Influenza A Viruses: Molecular Changes On HA That Correspond to Adaptation From Ducks to Chickens. American Society for Microbiology, 2003.