Crinion Sophie J, Ryan Silke, McNicholas Walter T
Dept of Respiratory and Sleep Medicine, St Vincent's University Hospital, Dublin, Ireland.
School of Medicine and Medical Science, University College Dublin, Dublin, Ireland.
Eur Respir J. 2017 Jan 11;49(1). doi: 10.1183/13993003.01818-2016. Print 2017 Jan.