RT Journal T1 A role for opioids in chronic pain management—reply JF Archives of Internal Medicine JO Archives of Internal Medicine YR 2012 FD May 28 VO 172 IS 10 SP 824 OP 825 DO 10.1001/archinternmed.2012.1340 UL http://dx.doi.org/10.1001/archinternmed.2012.1340 AB