title: Challenges in pain assessment.
authors.affiliation: cpasero@aol.com
authors.forename: Chris
authors.initials: C
authors.lastname: Pasero
mesh_terms: D000700:Analgesics / Q000627:therapeutic use; D006801:Humans; D010146:Pain / Q000188:drug therapy; D010147:Pain Measurement; D012647:Self-Assessment
chemical_list: D000700:Analgesics