CME ARTICLEConversation John D. Loeser, MD, on Initial Reactions to the Draft of the Guideline on Interventional Procedures for Low-Back Pain Absence of Proof Not the Same as Proof of AbsenceTopics in Pain Management 23(12):p 8-9, July 2008. | DOI: 10.1097/01.TPM.0000325009.83135.d6 Buy Metrics Copyright © 2008 Wolters Kluwer Health, Inc. All rights reserved.