RT Journal Article SR Electronic T1 Optimal anticoagulant treatment of cancer-associated venous thromboembolism remains unclear JF BMJ Evidence-Based Medicine JO BMJ EBM FD BMJ Publishing Group Ltd SP 115 OP 116 DO 10.1136/bmjebm-2018-111096 VO 24 IS 3 A1 Hanny Al-Samkari YR 2019 UL http://ebm.bmj.com/content/24/3/115.abstract AB