暂时性金属支架扩张与水囊扩张治疗食管、贲门癌术后吻合口良性狭窄的对比研究
잠시성금속지가확장여수낭확장치료식관、분문암술후문합구량성협착적대비연구
A comparison of temparary placement of expandable stent and balloon dilatation in treatment of anastomotic steruosis after operation on esophagus or preventriculus cancer
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