Method Two trachial stenosis and 33 bronchial stenosis cases were analyzed.
Method Two trachial stenosis and 33 bronchial stenosis cases were analyzed.
方法分析的35例中气管狭窄2例，支气管狭窄33例。
Method Two trachial stenosis and 33 bronchial stenosis cases were analyzed.
方法分析的35例中气管狭窄2例，支气管狭窄33例。