@article {158, editor = {,}, title = {A normal alveolar dead space fraction plus d-dimer assay ruled out suspected pulmonary embolism in the emergency department}, volume = {6}, number = {5}, pages = {158--158}, year = {2001}, doi = {10.1136/ebm.6.5.158}, publisher = {Royal Society of Medicine}, issn = {1356-5524}, URL = {https://ebm.bmj.com/content/6/5/158}, eprint = {https://ebm.bmj.com/content/6/5/158.full.pdf}, journal = {BMJ Evidence-Based Medicine} }