A functional study of caustic strictures of the esophagus in children .Bronchoscopy findings and early treatment of patients with blunt tracheo-bronchial trauma .Fette A . Trachea rupture lesion in children:the two extremes .23 .丁嘉安,姜格宁,高文,等.肺外科学.北京:人民卫生出 ......