title: White esophageal mucosa and black gastric mucosa: upper gastrointestinal injury due to hydrochloric Acid ingestion.
authors.affiliation: Institute for Digestive Research, Digestive Disease Center, Soonchunhyang University Hospital, Soonchunhyang University College of Medicine, Seoul, Korea.
authors.forename: Woong Cheul
authors.initials: WC
authors.lastname: Lee
authors.affiliation: Institute for Digestive Research, Digestive Disease Center, Soonchunhyang University Hospital, Soonchunhyang University College of Medicine, Seoul, Korea.
authors.forename: Tae Hee
authors.initials: TH
authors.lastname: Lee
authors.affiliation: Institute for Digestive Research, Digestive Disease Center, Soonchunhyang University Hospital, Soonchunhyang University College of Medicine, Seoul, Korea.
authors.forename: Jun-Hyung
authors.initials: JH
authors.lastname: Cho