结论：CTVB是一种新的无创检查方法，可部分替代电子支气管镜检查。
Conclusion: CTVB is a noninvasive technique and can partly replace electronic bronchoscopy.
方法：对常规诊治无明显好转的持续或频繁反复喘息的67例患儿行电子支气管镜检查。
METHODS: Electronic bronchoscopy was performed on 67 children with recurrent wheezing or who did not respond to the conventional treatment.
方法：对常规诊治无明显好转的持续或频繁反复喘息的67例患儿行电子支气管镜检查。
METHODS: Electronic bronchoscopy was performed on 67 children with recurrent wheezing or who did not respond to the conventional treatment.
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