Infectious bursal disease: a case report - Ito, Nair Massako Katayama; Madeira, Alda Maria Backx Noronha; Dagli, Maria Lúcia Zaidan; Gaviolle, Maria Christina; Rossini, Lavinia Iervolino; Matsuguma, Luiz Kazunori (Brazilian Journal of Veterinary Research and Animal Science, 1990)