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[期刊论文] 作者:MAODa-gan,YANGLi-guo,等, 来源:中国农业科学:英文版 年份:2003
A total of 40 rats, aged in 30 days, were divided into 4 groups and immunized (intramuscularlyinjection) with 0 μg(control), 15 μg (group 1), 25 μg (group 2)...
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