牙线辅助内镜黏膜下剥离术治疗消化道早期病变的临床研究
아선보조내경점막하박리술치료소화도조기병변적림상연구
Clinical study of dental floss assisted endoscopic submucosal dissection in the treatment of early gastrointestinal mucosal and submucosal lesions
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