覆膜金属支架治疗食管癌食管气管瘘21例疗效分析
복막금속지가치료식관암식관기관루21례료효분석
Analysis the Treatment Effect in 21 Patients with Oesophagus Caneer Merging Esophagorespiratory Fistula Treated with Mesh Alloy Stent
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