1. Ambulatory diagnosis and treatment of nonmalignant pain in the United States, 2000–2010.;Daubresse;Med Care,2013
2. Vital signs: variation among states in prescribing of opioid pain relievers and benzodiazepines—United States, 2012.;Paulozzi;MMWR Morb Mortal Wkly Rep,2014
3. Trends in opioid analgesic-prescribing rates by specialty, U.S., 2007–2012.;Levy;Am J Prev Med,2015
4. Institute of Medicine. Relieving pain in America: a blueprint for transforming prevention, care, education, and research. Washington, DC: The National Academies Press; 2011.
5. Classification of chronic pain. Descriptions of chronic pain syndromes and definitions of pain terms. Prepared by the International Association for the Study of Pain, Subcommittee on Taxonomy.;International Association for the Study of Pain;Pain Suppl,1986