Apergis George, Abi-Fadel Francois, Krishnan Padmanabhan
Department Of Medicine, Division Of Pulmonary and Critical Care, State University Of New York, Downstate Medical Center, Brooklyn, NY 11203, USA.
Thorax. 2012 Dec;67(12):1122. doi: 10.1136/thoraxjnl-2012-201932. Epub 2012 Jun 29.