RT Journal Article SR Electronic T1 Long-term nasal ventilation. JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 595 OP 596 DO 10.1136/thx.50.6.595 VO 50 IS 6 A1 N S Hill YR 1995 UL http://thorax.bmj.com/content/50/6/595.abstract AB