RT Journal Article SR Electronic T1 Who benefits from home mechanical ventilation? JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 160 OP 163 DO 10.7861/clinmedicine.9-2-160 VO 9 IS 2 A1 Patrick Murphy A1 Nicholas Hartmrcp YR 2009 UL http://www.rcpjournals.org/content/9/2/160.abstract