Addala D, Shrimanker R, Davies M G
Specialist Registrar in Respiratory Medicine, Oxford University Hospitals NHS Foundation Trust, Oxford OX3 9DU.
Specialist Registrar in Respiratory Medicine, Nuffield Department of Medicine, University of Oxford, Oxford.
Br J Hosp Med (Lond). 2017 Sep 2;78(9):C140-C144. doi: 10.12968/hmed.2017.78.9.C140.