Evidence-based Perioperative Medicine
   Organization promoting evidence-based decision making in perioperative medicine.
   http://www.hcuge.ch/anesthesie/anglais/evidence/aevbasmed.htm

Oxford 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/

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://is.dal.ca/~painsrc/

Prospect
   Providing evidence-based and procedure-specific recommendations and clinical decision support for the management of postoperative pain.
   http://www.postoppain.org/