1. Observational study of upper gastrointestinal haemorrhage in elderly patients given selective cyclo-oxygenase-2 inhibitors or conventional non-steroidal anti-inflammatory drugs. Issue 7365 (21st September 2002) Authors: Mamdani, Muhammad; Rochon, Paula A; Juurlink, David N; Kopp, Alex; Anderson, Geoffrey M; Naglie, Gary; Austin, Peter C; Laupacis, Andreas Journal: BMJ Issue: Volume 325:Issue 7365(2002) Page Start: 624 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗