RT Journal Article SR Electronic T1 All change for home oxygen services in England and Wales JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 7 OP 9 DO 10.1136/thx.2005.056192 VO 61 IS 1 A1 J A Wedzicha A1 P M A Calverley YR 2006 UL http://thorax.bmj.com/content/61/1/7.abstract AB