Peterson, Walter L.2016-01-192016-01-191989-02-16https://hdl.handle.net/2152.5/2819Detailed formal protocol with illustrations and extensive bibliography.enGrand RoundsTeaching RoundsAnti-Inflammatory Agents, Non-SteroidalPeptic UlcerNSAIDs, endoscopes, and the elderly: current thoughts on bleeding peptic ulcerOther50836