Victoria M Lord, Phoene Cave, Victoria J Hume, Elizabeth J Flude, Amanda Evans, Julia L Kelly, Michael I Polkey and Nicholas S Hopkinson*
* Corresponding author: Nicholas S Hopkinson n.hopkinson@imperial.ac.uk
BMC Pulmonary Medicine 2010, 10:41 doi:10.1186/1471-2466-10-41
Evaluated on Faculty of 1000