title: AHCPR guideline: pain management.
authors: S L
authors: SL
authors: Merkel
authors: M J
authors: MJ
authors: Van Meter
mesh_terms: D006801:Humans; D010146:Pain / Q000534:rehabilitation; D059408:Pain Management; D010353:Patient Education as Topic; D014481:United States; D016270:United States Agency for Healthcare Research and Quality