In her third article, Margaret Barnett discusses the criteria for oxygen therapy within the primary care setting.
Margaret Barnett MSc in Nursing Studies, COPD Dip., is a COPD Specialist Nurse, Chest Clinic, Derriford Hospital, Plymouth, Devon.
Article accepted for publication: March 2007
Acknowledgements: The author would like to thank Sallie Waring, Medical Photographer, Derriford Hospital, and to those patients who gave permission to print the photographs for this article.