1. Effect of polymer coating on faecal recovery of ingested 5-amino salicylic acid in patients with ulcerative colitis. Issue 3 (March 1988) Authors: Bjarnason, Ingvar; Middleton, Keith Journal: Gut Issue: Volume 29:Issue 3(1988) Page Start: 413 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗