title: The Vicious Circle in chronic pain management: balancing efficacy and adverse effects.
authors.affiliation: Helsinki University Central Hospital, Finland.
authors.forename: Eija
authors.initials: E
authors.lastname: Kalso
mesh_terms: D059350:Chronic Pain / Q000175:diagnosis / Q000523:psychology / Q000628:therapy; D003226:Congresses as Topic; D005260:Female; D006801:Humans; D008297:Male; D059408:Pain Management / Q000009:adverse effects / Q000379:methods / Q000523:psychology; D010817:Physician-Patient Relations; D012959:Socioeconomic Factors