1. S30 Salivary pepsin as a biomarker of airway reflux in idiopathic pulmonary fibrosis - An observational study. (14th November 2013) Authors: Dudziak, JM; Crooks, MG; Woodcock, AD; Dettmar, PW; Morice, AH; Hart, SP Journal: Thorax Issue: Volume 68(2013)Supplement 3 Page Start: A18 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗