title: Chronic pain. Considering the role of medication.
mesh_terms: D000700:Analgesics / Q000627:therapeutic use*; D000928:Antidepressive Agents / Q000627:therapeutic use; D002908:Chronic Disease; D006801:Humans; D010146:Pain / Q000188:drug therapy*
chemical_list: D000700:Analgesics; D000928:Antidepressive Agents