Chest X-rays in COPD screening: Are they worthwhile?
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PII: S0954-6111(09)00223-6
doi:10.1016/j.rmed.2009.07.001
© 2009 Elsevier Ltd. All rights reserved.
PII: S0954-6111(09)00223-6
doi:10.1016/j.rmed.2009.07.001
© 2009 Elsevier Ltd. All rights reserved.