No abstract available
MeSH terms
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Administration, Inhalation
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Community-Acquired Infections / chemically induced
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Community-Acquired Infections / epidemiology*
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Humans
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Pneumonia / chemically induced
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Pneumonia / epidemiology*
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Pulmonary Disease, Chronic Obstructive / complications*
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Pulmonary Disease, Chronic Obstructive / drug therapy
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Risk Factors
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Steroids / administration & dosage
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Steroids / adverse effects
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Steroids / therapeutic use