RT Journal Article SR Electronic T1 Phenotyping chronic obstructive pulmonary disease (COPD) exacerbations: realising personalised medicine JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP s52 OP s56 DO 10.7861/clinmedicine.12-6-s52 VO 12 IS Suppl 6 A1 Chris E Brightling A1 Bethan L Barker YR 2012 UL http://www.rcpjournals.org/content/12/Suppl_6/s52.abstract