title: Esophagogastric Junction Outflow Obstruction Transformed to Type II Achalasia.
authors.affiliation: Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
authors.forename: In Seub
authors.initials: IS
authors.lastname: Shin
authors.affiliation: Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
authors.forename: Yang Won
authors.initials: YW
authors.lastname: Min
authors.affiliation: Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
authors.forename: Poong-Lyul
authors.initials: PL
authors.lastname: Rhee