title: Is there a need to shield ulcers after endoscopic submucosal dissection in the gastrointestinal tract?
authors.affiliation: Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan.
authors.forename: Ichiro
authors.initials: I
authors.lastname: Oda
authors.affiliation: Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan.
authors.forename: Satoru
authors.initials: S
authors.lastname: Nonaka
authors.affiliation: Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan.
authors.forename: Seiichiro
authors.initials: S
authors.lastname: Abe
authors.affiliation: Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan.
authors.forename: Haruhisa
authors.initials: H
authors.lastname: Suzuki
authors.affiliation: Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan.
authors.forename: Shigetaka
authors.initials: S
authors.lastname: Yoshinaga
authors.affiliation: Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan.
authors.forename: Yutaka
authors.initials: Y
authors.lastname: Saito