Opioid switch from low dose of oral oxycodone to transdermal fentanyl matrix patch for patients with stable thoracic malignancy-related pain.

BMC Palliat Care · 2014 · PMC4195703 · PMID 25313295

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did not reach statistical significanceno p-value reported

Moreover, favorable changes were conceivably noted in constipation, though the improvement in constipation did not reach statistical significance.

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