Shimozato, A.; Sasaki, M.; Ogasawara, N.; Funaki, Y.; Ebi, M.; Tamura, Y.; Izawa, S.; Hijikata, Y.; Yamaguchi, Y.; Kasugai, K. Risk Factors for Delayed Ulcer Healing After Endoscopic Submucosal Dissection of Gastric Neoplasms. JGLD 2017, 26, 363-368.