Gross Nicholas J, Barnes Peter J
1 University Medical Research LLC, St. Francis Hospital, Hartford, Connecticut; and.
2 Airway Disease Section, National Heart and Lung Institute, Imperial College London, London, United Kingdom.
Am J Respir Crit Care Med. 2017 Jan 15;195(2):159-166. doi: 10.1164/rccm.201610-2074PP.