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pubmed:abstractText |
To estimate the percentage of patients with suspected acute pulmonary embolism in whom a noninvasive diagnosis or exclusion of thromboembolic disease might be safely made on the basis of ventilation-perfusion (VQ) lung scans, single noninvasive tests of the lower extremities, and, in patients with adequate cardiorespiratory reserve, serial noninvasive tests of the lower extremities.
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