Fig. 1From: Vonoprazan versus lansoprazole in the treatment of artificial gastric ulcers after endoscopic submucossal dissection: a randomized, open-label trialStudy protocol. ESD, endoscopic submucosal dissection; EGD, esophagogastroduodenoscopy; group V, vonoprazan group; group L, lansoprazole; PPI, proton pump inhibitor; i.v., intravenous injection Flow chart of patients. ESD, endoscopic submucosal dissectionBack to article page