No abstract available
Publication types
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Editorial
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Research Support, Non-U.S. Gov't
MeSH terms
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Adrenal Cortex Hormones / therapeutic use*
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Clinical Trials as Topic / methods*
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Humans
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Patient Selection
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Pulmonary Disease, Chronic Obstructive / classification
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Pulmonary Disease, Chronic Obstructive / complications
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Pulmonary Disease, Chronic Obstructive / prevention & control*