RT Journal Article SR Electronic T1 Rapid magnetic resonance of the lumbar spine was not better than radiographs for evaluating low back pain JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 19 OP 19 DO 10.1136/ebm.9.1.19 VO 9 IS 1 YR 2004 UL http://ebm.bmj.com/content/9/1/19.abstract AB