title: Outcomes and effectiveness research: the 1992 investigator conference of the American Society for Gastrointestinal Endoscopy.
authors.forename: E B
authors.initials: EB
authors.lastname: Keeffe
authors.forename: L F
authors.initials: LF
authors.lastname: McMahon
mesh_terms: D016099:Endoscopy, Gastrointestinal; D006801:Humans; D017063:Outcome Assessment, Health Care; D014481:United States