1. S53 Marked small airway dysfunction and consequent air-trapping characterise chronic hypersensitivity pneumonitis (chp) but not idiopathic pulmonary fibrosis (ipf). (15th November 2017) Authors: Bonini, M; Usmani, O; Pacini, A; Menichini, I; Ward, S; Walsh, S; Daccord, C; Minelli, C; Brunori, M; Wells, AU; Chua, F Journal: Thorax Issue: Volume 72(2017)Supplement 3 Page Start: A34 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗