RT Journal Article SR Electronic T1 Pretest probability assessment combined with point-of-care D-dimer testing allows primary care physicians to rule out pulmonary embolism JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 187 OP 188 DO 10.1136/eb-2012-101120 VO 18 IS 5 A1 Christopher Kabrhel YR 2013 UL http://ebm.bmj.com/content/18/5/187.abstract AB