• Objective To study the impact of 18 possible risk factors in severe epidemic encephalitis B in order to provide the evidence for control and prevention.

    目的为了探讨各种危险因素重型乙型脑炎影响今后预防控制提供依据。

    youdao

  • Objective To study the impact of 18 possible risk factors in severe epidemic encephalitis B in order to provide the evidence for control and prevention.

    目的为了探讨各种危险因素重型乙型脑炎影响今后预防控制提供依据。

    youdao

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