Managing pain in children : a clinical guide for nurses and healthcare professionals / edited by Alison Twycross, Head of Department, Children's Nursing, Reader, Children's Pain Management, London South Bank University, United Kingdom, Stephanie Dowden, Clinical Nurse Consultant, Paediatric Palliative Care, Princess Margaret Hospital for Children, Perth, Australia and Jennifer Stinson, Nurse Clinician Scientist and Nurse Practitioner, Chronic Pain Programme, The Hospital for Sick Children, Associate Professor of Nursing, Lawrence S. Bloomberg, Faculty of Nursing, University of Toronto, Toronto, Canada.