Tu1987 THE RETROSPECTIVE COMPARISON BETWEEN SUBMUCOSAL TUNNELING ENDOSCOPIC RESECTION AND ENDOSCOPIC SUBMUCOSAL EXCAVATION FOR MANAGING ESOPHAGEAL SUBMUCOSAL TUMORS

2019 ◽  
Vol 89 (6) ◽  
pp. AB644-AB645
Author(s):  
Li Liu ◽  
Yingtong Chen ◽  
Lili Zhao ◽  
Xiang Wang ◽  
Zhining Fan
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