title: Psychological dimensions of distress in chronic pain patients: a factor analytic study of symptom checklist-90 responses.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002908:Chronic Disease; D005163:Factor Analysis, Statistical; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010146:Pain / Q000523:psychology*; D010555:Personality Inventory