- Correspondence to Dr Trevor K Rogers, Chest Clinic, Doncaster Royal Infirmary, Armthorpe Road, Doncaster, South Yorkshire DN2 5LT, UK;
- Received November 5, 2014
- Accepted December 2, 2014
- First published December 22, 2014.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.