1. Effect of communicating DNA based risk assessments for Crohn's disease on smoking cessation: randomised controlled trial. (20th July 2012) Authors: Hollands, Gareth J; Whitwell, Sophia C L; Parker, Richard A; Prescott, Natalie J; Forbes, Alastair; Sanderson, Jeremy; Mathew, Christopher G; Lewis, Cathryn M; Watts, Sally; Sutton, Stephen; Armstrong, David; Kinmonth, Ann Louise; Prevost, A Toby; Marteau, Theresa M Journal: BMJ Issue: Volume 345(2012) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗