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Alexander Hallac, Wichit Srikureja, Eashen Liu, Parag Dhumal, Ashish Thatte, Nishant Puri 
World J Gastrointest Endosc 10(10):294-300. Published online Oct 16, 2018. doi: 10.4253/wjge.v10.i10.294
Retrospective Study
Systematic Review