Figure 4From: Morphine Induces Hyperalgesia without Involvement of µ-Opioid Receptor or Morphine-3-glucuronidePharmacokinetic results of study 3. (A) Morphine and M3G plasma concentration in FVB and Mrp3−/− mice. (B) The 24-h morphine and M3G excretion in FVB and Mrp3−/− mice. Values are means ± SEM. *P < 0.05 versus FVB mice.Back to article page