Mass of intercostal muscles associates with risk of multiple exacerbations in COPD
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PII: S0954-6111(09)00348-5
doi:10.1016/j.rmed.2009.10.015
© 2009 Elsevier Ltd. All rights reserved.
PII: S0954-6111(09)00348-5
doi:10.1016/j.rmed.2009.10.015
© 2009 Elsevier Ltd. All rights reserved.