RT Journal Article SR Electronic T1 Long term and short term oral anticoagulation treatments were equivalent for venous thromboembolism JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 16 OP 16 DO 10.1136/ebm.7.1.16 VO 7 IS 1 YR 2002 UL http://ebm.bmj.com/content/7/1/16.abstract AB