1. Determinants Of Oral corticosteroid Responsiveness in Wheezing Asthmatic Youth (DOORWAY): protocol for a prospective multicentre cohort study of children with acute moderate-to-severe asthma exacerbations. Issue 4 (7th April 2014) Authors: Ducharme, F M; Zemek, R; Gravel, J; Chalut, D; Poonai, N; Laberge, S; Quach, C; Krajinovic, M; Guimont, C; Lemière, C; Guertin, M C Journal: BMJ open Issue: Volume 4:Issue 4(2014) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗