RT Journal Article SR Electronic T1 Simulated acupuncture and real acupuncture both reduced low back pain dysfunction and symptoms JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 179 OP 179 DO 10.1136/ebm.14.6.179 VO 14 IS 6 YR 2009 UL http://ebm.bmj.com/content/14/6/179.abstract AB