In terms of the size, the proportion of cases with defects larger than 3 cm in the P-EPSS group was significantly more than the proportion of cases with defects < 3 cm in size ( P < 0.01), indicating a significant trend toward the use of P-EPSS to close large defects.
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Feasibility and efficacy of endoscopic purse-string suture-assisted closure for mucosal defects induced by endoscopic manipulations.
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