No abstract available
MeSH terms
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Adult
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Aged
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Empyema / etiology
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Female
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Humans
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Male
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Middle Aged
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Pleural Effusion / diagnostic imaging
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Pleural Effusion / etiology*
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Pneumonia, Pneumococcal / complications*
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Pneumonia, Pneumococcal / diagnostic imaging
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Prospective Studies
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Radiography