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Othman, M. O., Lee, J. H., & Wang, K. (2019). Utility of Endoscopic Submucosal Dissection in T1b Esophageal Cancer. Clinical Gastroenterology and Hepatology. doi:10.1016/j.cgh.2019.05.045 
10.1016/j.cgh.2019.05.045
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