title: The role of complement activation in COPD exacerbation recovery.
abstract: Rise in sputum complement (C3a, C5a) levels during COPD exacerbation is associated with recovery timehttp://ow.ly/ZaPj303xxPf.
authors.affiliation: Haemostasis Research Unit, University College London, London, UK.
authors.forename: John-Paul
authors.initials: JP
authors.lastname: Westwood
authors.affiliation: Centre for Respiratory Medicine, University College London, London, UK.
authors.forename: Alexander J
authors.initials: AJ
authors.lastname: Mackay
authors.affiliation: Airways Disease Section, National Heart and Lung Institute, Imperial College London, London, UK.
authors.forename: Gavin
authors.initials: G
authors.lastname: Donaldson
authors.affiliation: Haemostasis Research Unit, University College London, London, UK.
authors.forename: Samuel J
authors.initials: SJ
authors.lastname: Machin
authors.affiliation: Airways Disease Section, National Heart and Lung Institute, Imperial College London, London, UK.
authors.forename: Jadwiga A
authors.initials: JA
authors.lastname: Wedzicha
authors.affiliation: Dept of Haematology, University College London Hospital, London, UK.
authors.forename: Marie
authors.initials: M
authors.lastname: Scully