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Serological evidence of infectious bovine rhinotracheitis,bovine virus diarrhoea and parainfluenza-3 viruses in calves in El Salvador |
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| Authors: | D. A. Rice E. W. Jenney |
| Affiliation: | 1. Direccion General de Ganaderia, Soyapango, El Salvador, Central America, USA 3. National Veterinary Services Laboratory, United States Department of Agriculture, Animal and Plant Health Inspection Services, 50010, Ames, Iowa |
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