Additional File 1.Chronic cough questionnaire. Blank template of the postal questionnaire survey which was sent to people requesting further information on chronic cough, following the Radio 4 broadcast. Format: DOC Size: 97KB Download file This file can be viewed with: Microsoft Word Viewer Everett et al. Cough 2007 3:5 doi:10.1186/1745-9974-3-5 |