title: Abstracts of papers to be presented at the Society of American Gastrointestinal Endoscopic Surgeons scientific session. April 24 and 25, 1987, Washington, D.C.
mesh_terms: D000818:Animals; D003113:Colonoscopy; D004724:Endoscopy; D005767:Gastrointestinal Diseases / Q000601:surgery*; D005773:Gastroscopy; D006801:Humans