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- [2] Protection level of an intermediate vaccine against Gumboro disease in laying hens León, R.N., 1600, Universidad Nacional Mayor de San Marcos (23):
- [8] EVALUATION OF THE PROTECTION OF A VECTORIZED VACCINE AGAINST GUMBORO DISEASE UNDER CONTROLLED CONDITIONS IN COMMERCIAL LAYING PULLETS REVISTA DE INVESTIGACIONES VETERINARIAS DEL PERU, 2018, 29 (03): : 931 - 941