title: Abstracts of Digestive Disease Week and ASGE (American Society for Gastrointestinal Endoscopy) Annual Postgraduate Course, May 2007, Washington, DC, USA.
mesh_terms: D000818:Animals; D004066:Digestive System Diseases / Q000175:diagnosis / Q000628:therapy; D016099:Endoscopy, Gastrointestinal; D006801:Humans