1. Validity of using Hospital Episode Statistics data on monitoring disease trends. Issue 9 (2nd December 2010) Authors: Elemraid, Mohamed A; Pollard, Kerry; Thomas, Matthew F; Gennery, Andrew R; Eastham, Katherine M; Rushton, Stephen P; Hampton, Fiona; Singleton, Pauline; Gorton, Russell; Spencer, David A; Clark, Julia E Journal: Thorax Issue: Volume 66:Issue 9(2011) Page Start: 827 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗