RT Journal Article SR Electronic T1 Review: exercise helps relieve pain in patients with hip osteoarthritis JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 41 OP 41 DO 10.1136/ebm.14.2.41 VO 14 IS 2 YR 2009 UL http://ebm.bmj.com/content/14/2/41.abstract AB