Eccleston, Christopher, Fisher, Emma, Cooper, Tess E., Grégoire, Marie-Claude, Heathcote, Lauren C., Krane, Elliot, Lord, Susan M., Sethna, Navil F., Anderson, Anna-Karenia, Anderson, Brian, Clinch, Jacqueline, Gray, Andrew L., Gold, Jeffrey I., Howard, Richard F., Ljungman, Gustaf, Moore, R. Andrew, Schechter, Neil, Wiffen, Philip J., Wilkinson, Nick M. R., Williams, David G., Wood, Chantal, Van Tilburg, Miranda A. L., Zernikow, Boris. Lippincott Williams & Wilkins; 2019. Pharmacological interventions for chronic pain in children: an overview of systematic reviews.