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报告经治２０例食管特殊异物患者临床资料，介绍取出特殊异物的几种方法，并对治疗中出现的并发症的处理进行讨论。
Reported by the treatment of 20 cases of esophageal foreign body in patients with clinical data, introduced several special foreign body removal methods, and the treatment of complications in the treatment are discussed.