1. Estimating risks of common complex diseases across genetic and environmental factors: the example of Crohn disease. Issue 11 (27th July 2007) Authors: Lewis, C M; Whitwell, S C L; Forbes, A; Sanderson, J; Mathew, C G; Marteau, T M Journal: Journal of medical genetics Issue: Volume 44:Issue 11(2007) Page Start: 689 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗