RT Journal Article SR Electronic T1 A simple model based on wound size and duration predicted healing of venous leg ulcers at 24 weeks JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 64 OP 64 DO 10.1136/ebm.6.2.64 VO 6 IS 2 YR 2001 UL http://ebm.bmj.com/content/6/2/64.1.abstract AB