Assertion: pulmonary embolism | /r/CapableOf | use the wells score
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Source sentences:
text: Pulmonary embolism was considered to be ruled out in patients with a low C-PTP (using the Wells score) and a D-dimer of less than 1,000 ng/mL or with a moderate C-PTP and a D-dimer of less than 500 ng/mL.