AN EVALUATION OF AN INACTIVATED, LEUKOTOXIN-RICH, CELL-FREE PASTEURELLA-HAEMOLYTICA VACCINE FOR PREVENTION OF UNDIFFERENTIATED BOVINE RESPIRATORY-DISEASE
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作者:
MCLEAN, GS
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MCLEAN, GS
SMITH, RA
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SMITH, RA
GILL, DR
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GILL, DR
RANDOLPH, TC
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RANDOLPH, TC
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来源:
PROCEEDINGS - WESTERN SECTION, AMERICAN SOCIETY OF ANIMAL SCIENCE AND WESTERN BRANCH, CANADIAN SOCIETY OF ANIMAL SCIENCE, VOL 40
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1989年
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40卷