(Q46123599)
Statements
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Endogenous opioids modify dyspnoea during treadmill exercise in patients with COPD. (English)
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D A Mahler
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J A Murray
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L A Waterman
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J Ward
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W J Kraemer
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X Zhang
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J C Baird
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12 February 2009
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33
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4
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771-777
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