1. Frank rectal bleeding: a prospective study of causes in patients over the age of 40. Issue 751 (May 1988) Authors: Cheung, P. S.; Wong, S. K.; Boey, J.; Lai, C. K. Journal: Postgraduate medical journal Issue: Volume 64:Issue 751(1988) Page Start: 364 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗