Evans Terry J, Sivakumar Parthipan, Ahmed Liju
Senior House Officer, Department of Thoracic Medicine, Guy's and St Thomas' NHS Foundation Trust, London.
Clinical Research Fellow, Divison of Asthma, Allergy and Lung Biology, King's College London, London WC2R 2LS.
Br J Hosp Med (Lond). 2017 May 2;78(5):294-295. doi: 10.12968/hmed.2017.78.5.294.