改良型Y型自膨胀式金属内支架治疗五例残胃-空肠吻合口狭窄
개량형Y형자팽창식금속내지가치료오례잔위-공장문합구협착
Implantation of modified Y-shaped self-expandable stent for the treatment of stenosis of gastroenteric stoma:preliminary results in five cases
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