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Livestock Production Science > 1999 > 61 > 1 > 7-11
Veterinary Immunology and Immunopathology > 1999 > 68 > 2-4 > 177-186
Livestock Production Science > 1999 > 61 > 1 > 7-11
Veterinary Immunology and Immunopathology > 1999 > 68 > 2-4 > 177-186