Zhou, Jie-Qiong Endoscopic submucosal tunnel dissection of upper gastrointestinal submucosal tumors: A comparative study of hook knife [electronic resource] - World journal of gastroenterology Mar 2017 - 1843-1850 p. digital Publication Type: Comparative Study; Journal Article ISSN: 2219-2840 Standard No.: 10.3748/wjg.v23.i10.1843 doi Subjects--Topical Terms: AdultAgedEndoscopic Mucosal Resection--adverse effectsEndoscopy, Digestive System--methodsEndosonographyFemaleFollow-Up StudiesGastrointestinal Neoplasms--diagnostic imagingHumansMaleMiddle AgedMuscle, Smooth--pathologyNeoplasm Recurrence, Local--epidemiologyOperative TimeRetrospective StudiesTreatment OutcomeYoung Adult