RT Journal Article SR Electronic T1 Assisted discharge for patients with exacerbations of chronic obstructive pulmonary disease: safe and effective JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 885 OP 885 DO 10.1136/thorax.55.11.885 VO 55 IS 11 A1 J KILLEN A1 H ELLIS YR 2000 UL http://thorax.bmj.com/content/55/11/885.abstract AB