Priya, P.M., Deepthi S. Pillai, P. Rameshkumar, and P. Senthamilselvan. 2008. β€œAn Unusual Occurrence of Colisepticemia in Budgerigars (Melopsittacus Undulatus) ”. International Journal of Poultry Science 7 (2): 191–192. https://doi.org/10.3923/ijps.2008.191.192.