TY - JOUR T1 - Infectious bursal disease virus: case report and experimental studies in vaccinated and unvaccinated SPF chickens and commercial broiler chicks JO - Brazilian Journal of Poultry Science A1 - Scanavini Neto, H A1 - Ito, NMK A1 - Miyaji, CI A1 - Lima, E de A A1 - Okabayashi, S A1 - CorrĂȘa, ARA A1 - EleutĂ©rio, GC A1 - Zuanaze, MA SN - 1516-635X UL - 10.1590/S1516-635X2004000100006 VL - 6 Y1 - 2004 PB - Brasil ER -