1. A20 VITAMIN D SUPPLEMENTATION REDUCES THE OCCURRENCE OF COLORECTAL POLYPS IN HIGH-LATITUDE LOCATIONS. (26th February 2020) Authors: Sutherland, R L; Ormsbee, J; Pader, J; Forbes, N; Hilsden, R J; Brenner, D R Journal: Journal of the Canadian Association of Gastroenterology Issue: Volume 3:Supplement 1(2020) Page Start: 23 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗