Conclusions Using vaccinum calmette guerini to prevent and treat community children repeated respiratory track infection is effective, safe and no poisonous or side-effects.

  • 结论卡介苗多糖核酸预防和治疗社区儿童反复呼吸道感染有效、安全无毒副作用。

  • 互联网摘选 2025-01-20 17:43:26

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