title: Clinical usefulness of magnifying chromoendoscopy and magnifying narrow band imaging endoscopy for predicting the submucosal invasion of early colorectal cancers.
authors.affiliation: Department of Gastroenterology, Gachon University Gil Medical Center, Gachon University of Medicine and Science, Incheon, Korea.
authors.forename: Kwang An
authors.initials: KA
authors.lastname: Kwon
authors.forename: Yang Suh
authors.initials: YS
authors.lastname: Ku