Evaluation and outcome of patients with chronic non-productive cough using a comprehensive diagnostic protocol
L P A McGarvey, L G Heaney, J T Lawson, B T Johnston, C M Scally, M Ennis, D R T Shepherd, J MacMahon
Thorax Sep 1998, 53 (9) 738-743; DOI: 10.1136/thx.53.9.738