RT Journal Article SR Electronic T1 Review: limited evidence suggests that acupuncture is more effective than no treatment for chronic pain JF Evidence Based Nursing JO Evid Based Nurs FD BMJ Publishing Group Ltd and RCN Publishing Company Ltd SP 17 OP 17 DO 10.1136/ebn.4.1.17 VO 4 IS 1 YR 2001 UL http://ebn.bmj.com/content/4/1/17.abstract AB