Browsing by Author "Islas, A."
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Islas, A.; Montes Ortiz, Gustavo; López, J.; Rojas, K. (1996)A group of nine Holstein Friesian calves, 9 months of age, belonging to the same herd, and not showing antibody gp 51 in two serologic control tests were used. Three of them were inoculated with 100 μl of heparinized blood ...