1 “...BACKGROUND: Chronic noncancer pain affects millions of Americans, seriously impacting their quality...”

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4 “... and overlapped across all syndromes. Prevalence estimates increased with age. African Americans had higher...”

5 “... for the American Academy of Orthopaedic Surgeons to provide input for their development of clinical guidelines...”

6 “... for the American Academy of Orthopaedic Surgeons to provide input for their development of clinical guidelines...”

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