1. Duodenal ulcers that are difficult to heal. Issue 6671 (18th February 1989) Authors: Stebbing, M A; Schache, D J; Masters, A; Tovey, F I; Rees, M; Howden, A; Boswell, P A Journal: BMJ Issue: Volume 298:Issue 6671(1989) Page Start: 460 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗