No abstract available
MeSH terms
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Adolescent
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Child
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Child, Preschool
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Community-Acquired Infections / diagnosis
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Community-Acquired Infections / epidemiology
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Humans
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Infant
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Italy
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Male
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Needs Assessment
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Pneumonia / diagnosis*
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Pneumonia / epidemiology
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Radiography, Thoracic / methods
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Ultrasonography, Doppler / methods*