RT Journal Article SR Electronic T1 A negative d-dimer test result alone or combined with low risk clinical status effectively ruled out symptomatic DVT JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 93 OP 93 DO 10.1136/ebm.5.3.93 VO 5 IS 3 YR 2000 UL http://ebm.bmj.com/content/5/3/93.abstract AB