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Methods Laboratory experiment and field experiment.
方法实验室与现场药效试验。
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Methods Epidemiological, clinic, and laboratory investigation were made.
方法采用流行病学调查及临床、实验室检测。
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Methods: Laboratory experiment and field experiment.
方法：实验室试验和现场试验。
youdao
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Methods: Laboratory experiment and field experiment.
方法：实验室试验和现场试验。
youdao