RT Journal Article SR Electronic T1 Rationale for the use of non-invasive ventilation in chronic ventilatory failure JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 417 OP 423 DO 10.1136/thorax.55.5.417 VO 55 IS 5 A1 P M Turkington A1 M W Elliott YR 2000 UL http://thorax.bmj.com/content/55/5/417.abstract AB