RT Journal Article SR Electronic T1 6 or 3 months of anticoagulant therapy did not differ for treatment failure in patients with DVT, PE, or both JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 143 OP 143 DO 10.1136/ebm.12.5.143 VO 12 IS 5 YR 2007 UL http://ebm.bmj.com/content/12/5/143.abstract AB