Pharmacokinetics of the novel atypical opioid tapentadol following oral and intravenous administration in dogs

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Complementary and synergistic antinociceptive interaction between the enantiomers of tramadol.

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Efficacy and Safety of Tapentadol Extended Release Compared with Oxycodone Controlled Release for the Management of Moderate to Severe Chronic Pain Related to Osteoarthritis of the Knee

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Synergistic Interaction between the Two Mechanisms of Action of Tapentadol in Analgesia

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