Nazareth Dilip, Seshadri Nagabushan, Binukrishnan Sukumaran, Ledson Martin, Walshaw Martin, Mohan Kamlesh
Department of Respiratory Medicine, Liverpool Heart and Chest Hospital NHS Trust, Thomas Drive, Liverpool L14 3PE, UK.
Postgrad Med J. 2013 Jun;89(1052):366. doi: 10.1136/postgradmedj-2012-131359. Epub 2013 Jan 15.