Gutiérrez-Espeleta, G., Madriz-Ordeñana, K., Dolz, G., Sheleby-Elias, J., ROMERO-ZUÑIGA, J. J., & Vargas, B. (2013). Prevalence of Psittacine Beak and Feather Disease Virus and Avian Polyomavirus in Captivity Psittacines from Costa Rica.

Gutiérrez-Espeleta, Gustavo, Kenneth Madriz-Ordeñana, Gaby Dolz, Jessica Sheleby-Elias, JUAN JOSÉ ROMERO-ZUÑIGA, y Bernardo Vargas. Prevalence of Psittacine Beak and Feather Disease Virus and Avian Polyomavirus in Captivity Psittacines From Costa Rica. 2013.

Gutiérrez-Espeleta, Gustavo, et al. Prevalence of Psittacine Beak and Feather Disease Virus and Avian Polyomavirus in Captivity Psittacines From Costa Rica. 2013.