Avian Escherichia coli pili antigen was detected with agar gel diffusion precipitin test.

用琼脂扩散沉淀反应检测了大肠杆菌菌毛抗原。

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Avian Escherichia coli pili antigen was detected with agar gel diffusion precipitin test.

用琼脂扩散沉淀反应检测了大肠杆菌菌毛抗原。

youdao