1. Relieving pain in America: a blueprint for transforming prevention, care, education, and research;Institute of Medicine Committee on Advancing Pain Research, Care, and Education,2011
2. When does acute pain become chronic?;Voscopoulos;Br J Anaesth,2010
3. Quality of pain management in the emergency department: results of a multicentre prospective study;Guéant;Eur J Anaesthesiol,2011
4. Perioperative pain management;Pyati;CNS Drugs,2007
5. Opioid complications and side effects;Benyamin;Pain Phys,2008