胃壁食管粘膜下曲张静脉梯形环扎加贲门周围血管离断术
위벽식관점막하곡장정맥제형배찰가분문주위혈관리단술
Trapeziform loop-ligation of gastro-esophageal submucosai varices and pericardial devascularization
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