1. PTU-063 Assessment of Sleep Impairment in Patients With Crohn'S Disease: Results from the Ustekinumab Certifi Study. (4th June 2013) Authors: Gasink, C; Chan, D; Gao, L-L; Schenkel, B; Han, C Journal: Gut Issue: Volume 62(2013)Supplement 1 Page Start: A70 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗