No abstract available
MeSH terms
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Acute Disease
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Angiography / methods*
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Humans
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Male
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Middle Aged
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Pulmonary Embolism / diagnosis*
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Pulmonary Embolism / physiopathology*
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Tomography, Emission-Computed, Single-Photon*
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Tomography, X-Ray Computed / methods*
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Ventilation-Perfusion Ratio*