Sindrome da cabeca inchada - Couto, D F; Fabio, J; Arns, C; Magand, G; Bohl, M; Patricio, I S; Ito, Nair Massako Katayama; Miyaji, C I; Madeira, Alda Maria Backx Noronha; Ferreira, Antonio José Piantino; Benez, S M (Avicultura e Suinocultura Industrial, 1992)