Evidence-based Perioperative Medicine 
Organization promoting evidence-based decision making in perioperative medicine.
http://www.hcuge.ch/anesthesie/anglais/evidence/aevbasmed.htmOxford Pain Internet Site
Systematic reviews of pain management, knowledge base and examples of evidence based medicine.
http://www.jr2.ox.ac.uk/bandolier/booth/painpag/
Prospect
Providing evidence-based and procedure-specific recommendations and clinical decision support for the management of postoperative pain.
http://www.postoppain.org/
Pediatric Pain Sourcebook of Protocols, Policies, and Pamphlets
Presents standard pediatric pain management information for clinical use and patient education, using published best evidence protocols.
http://painsourcebook.ca/
