No abstract available
MeSH terms
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Body Mass Index
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Dyspnea / diagnosis
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Guidelines as Topic
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Humans
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Maximal Expiratory Flow Rate
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National Institutes of Health (U.S.)
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Pulmonary Disease, Chronic Obstructive / classification*
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Pulmonary Disease, Chronic Obstructive / diagnosis*
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Pulmonary Disease, Chronic Obstructive / physiopathology
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Severity of Illness Index
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United States
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World Health Organization