Short-term opioids for breathlessness in stable chronic heart failure: a randomized controlled trial.
Eur J Heart Fail. 2011 Sep;13(9):1006-12. doi: 10.1093/eurjhf/hfr068. Epub 2011 Jun 28.
Eur J Heart Fail. 2011.
PMID: 21712288
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Clinical Trial.