title: Preface. Gastrointestinal endoscopy has come a long way.
authors.affiliation: GI Cancer Research Laboratory (H-250) Baylor University Medical Center, 3500 Gaston Avenue, Dallas, TX 75246, USA.
authors.forename: C Richard
authors.initials: CR
authors.lastname: Boland
authors.forename: Pankaj Jay
authors.initials: PJ
authors.lastname: Pasricha
authors.forename: Kentaro
authors.initials: K
authors.lastname: Sugano
mesh_terms: D016099:Endoscopy, Gastrointestinal / Q000379:methods* / Q000639:trends; D005767:Gastrointestinal Diseases / Q000175:diagnosis* / Q000503:physiopathology; D006801:Humans