No abstract available
Publication types
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Letter
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Observational Study
MeSH terms
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Administration, Oral
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Adrenal Cortex Hormones / administration & dosage*
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Adult
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Aged
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Anti-Asthmatic Agents / administration & dosage*
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Asthma / drug therapy*
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Asthma / mortality*
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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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Prospective Studies
Substances
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Adrenal Cortex Hormones
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Anti-Asthmatic Agents