Clive Amelia O, Bhatnagar Rahul, Psallidas Ioannis, Maskell Nick A
Academic Respiratory Unit, School of Clinical Sciences, University of Bristol, Southmead Hospital, Bristol BS10 5NB UK.
Oxford Respiratory Trials Unit, Oxford Centre for Respiratory Medicine, Oxford University Hospitals, Churchill site, Oxford, UK.
Lancet Respir Med. 2015 Jul;3(7):505-6. doi: 10.1016/S2213-2600(15)00183-6.