超声内镜辅助内镜黏膜切除术治疗食管黏膜肌层病变的临床分析
초성내경보조내경점막절제술치료식관점막기층병변적림상분석
Clinical analysis of endoscopic mucosal resection with guided endoscopic ultrasonography on esophageal subepithelial lesions originating from muscularis mucosa
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