RT Journal Article SR Electronic T1 Impaired cough reflex in patients with recurrent pneumonia JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 645 OP 646 DO 10.1136/thorax.58.7.645-b VO 58 IS 7 A1 C M Barber A1 A D Curran A1 D Fishwick YR 2003 UL http://thorax.bmj.com/content/58/7/645.3.abstract AB