作者:edited by Manohar Sharma (Consultant in Pain Medicine, the Walton Centre, NHS Foundation Trust, Liverpool, UK), Karen H. Simpson (Honorary Consultant in Anaesthesia and Pain Medicine, Leeds Teaching Hospitals NHS Trust and Senior Clinical Lecturer, University of Leeds, Leeds, UK), Michael I. Bennett (Professor of Palliative Medicine, Leeds Institute of Health Sciences, University of Leeds, Leeds, UK), Sanjeeva Gupta (Consultant in Anaesthesia and Pain Medicine, Bradford Royal Infirmary, Bradfor