Sub-clinical left and right ventricular dysfunction in patients with COPD
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PII: S0954-6111(10)00047-8
doi:10.1016/j.rmed.2010.01.020
© 2010 Elsevier Ltd. All rights reserved.
PII: S0954-6111(10)00047-8
doi:10.1016/j.rmed.2010.01.020
© 2010 Elsevier Ltd. All rights reserved.