1. P313 Steroid and opioid use among Crohn's patients before and after initiation of ustekinumab. (16th January 2018) Authors: Obando, C; Woodruff, K; Muser, E; Gasink, C; Hoops, T; Slaton, T; Kozma, C M Journal: Journal of Crohn's and colitis Issue: Volume 12:Number 1(2018:Jan.)Supplement 1 Page Start: S259 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗