PT - JOURNAL ARTICLE AU - Fishman, Scott M. AU - Teichera, David TI - Challenges and choices in drug therapy for chronic pain DP - 2003 Feb 01 TA - Cleveland Clinic Journal of Medicine PG - 119--138 VI - 70 IP - 2 4099 - http://www.ccjm.org/content/70/2/119.short 4100 - http://www.ccjm.org/content/70/2/119.full SO - Cleve Clin J Med2003 Feb 01; 70 AB - By treating chronic pain effectively, physicians can improve the quality of their patients’ lives considerably. This article reviews the mechanisms and treatment of chronic pain, with emphasis on overcoming the barriers to effective analgesia.