微探头超声内镜指导内镜下剥离联合圈套结扎治疗上消化道固有肌层肿瘤的初探
미탐두초성내경지도내경하박리연합권투결찰치료상소화도고유기층종류적초탐
Combination of endoscopic submucosal dissection and endoscopic band ligation in treatment of upper gastrointestinal submucosal tumors
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