No abstract available
Publication types
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Observational Study
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Research Support, Non-U.S. Gov't
MeSH terms
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Administration, Inhalation
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Adrenal Cortex Hormones / administration & dosage
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Adrenal Cortex Hormones / therapeutic use*
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Adult
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Age Distribution
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Aged
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Androstadienes / administration & dosage
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Androstadienes / therapeutic use
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Asthma / drug therapy*
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Asthma / epidemiology*
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Beclomethasone / administration & dosage
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Beclomethasone / therapeutic use
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Cohort Studies
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Fluticasone
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Humans
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Middle Aged
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Smoking / epidemiology*
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Smoking Cessation
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Treatment Outcome
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United Kingdom / epidemiology
Substances
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Adrenal Cortex Hormones
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Androstadienes
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Fluticasone
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Beclomethasone