No abstract available
MeSH terms
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Chest Pain / diagnosis
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Chest Pain / etiology
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Cough / diagnosis
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Cough / etiology
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Diagnosis, Differential
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Dyspnea / diagnosis
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Dyspnea / etiology
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Epidemiological Monitoring
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Fever / diagnosis
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Fever / etiology
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History, 20th Century
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History, 21st Century
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Humans
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Influenza A Virus, H1N1 Subtype / isolation & purification
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Influenza Pandemic, 1918-1919* / history
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Influenza Vaccines / administration & dosage
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Influenza, Human* / complications
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Influenza, Human* / diagnosis
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Influenza, Human* / epidemiology
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Influenza, Human* / prevention & control
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Lung / diagnostic imaging
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Lung / pathology
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Male
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Pandemic Preparedness
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Pneumonia, Viral* / complications
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Pneumonia, Viral* / diagnosis
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Radiography, Thoracic
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Young Adult