No abstract available
Publication types
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Letter
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Observational Study
MeSH terms
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Asthma / drug therapy*
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Asthma / pathology*
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Colorado
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Disease Progression
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Emergency Medical Services
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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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Patient Acceptance of Health Care / statistics & numerical data*
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Practice Patterns, Physicians' / statistics & numerical data*
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Prospective Studies
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Surveys and Questionnaires