RT Journal Article SR Electronic T1 Therapeutic Interactive Voice Response enhanced CBT gains in chronic painCommentary JF Evidence Based Nursing JO Evid Based Nurs FD BMJ Publishing Group Ltd and RCN Publishing Company Ltd SP 79 OP 79 DO 10.1136/ebn.11.3.79 VO 11 IS 3 A1 Sandra M LeFort YR 2008 UL http://ebn.bmj.com/content/11/3/79.abstract AB