RT Journal Article SR Electronic T1 The Ottawa ankle rules have a high sensitivity for excluding fractures of the ankle and midfoot in acute ankle sprain JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 185 OP 185 DO 10.1136/ebm.8.6.185 VO 8 IS 6 YR 2003 UL http://ebm.bmj.com/content/8/6/185.abstract AB