Persistence of the tissue culture origin vaccine for infectious laryngotracheitis virus in commercial chicken flocks in Brazil
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by
Silvana H. Santander Parra,
Luis F. Nuñez,
Claudete S. Astolfi-Ferreira,
Antonio J. Piantino Ferreira
| 1 |
Silvana H. Santander Parra
author |
| 2 |
Luis F. Nuñez
author |
| 3 |
Claudete S. Astolfi-Ferreira
author |
| 4 |
Antonio J. Piantino Ferreira
author |