No abstract available
Publication types
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Letter
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Research Support, Non-U.S. Gov't
MeSH terms
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Aged
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Chronic Disease
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Female
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Humans
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London
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Male
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Muscle Strength / physiology*
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Pulmonary Disease, Chronic Obstructive / physiopathology*
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Quadriceps Muscle / physiopathology*
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Reproducibility of Results
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Sensitivity and Specificity
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Sex Factors