Bibliografia

• Haynes AB, Weiser TG, Berry WR et al. A Surgical Safety Checklist to Reduce Morbidity and Mortality in a Global Population. New England Journal of Medicine 2009; 360: 491-9.

• Tilburt JC, Emanuel EJ, Kaptchuk TJ, Curlin FA, Miller FG. Prescribing "placebo treatments": results of national survey of US internists and rheumatologists. BMJ 2008; 337: a1938.

• Kim Y J. Annual Meeting of the American Spine Society, Toronto, 2008.