Fig. 2. The concentrations of fentanyl, alfentanil, and sufentanil at T3, relative to the concentration of morphine, during an infusion of drug into the L2–L3 space. The infusion targets a concentration of 1 μmol/l at the L2–L3 space.
Fig. 2. The concentrations of fentanyl, alfentanil, and sufentanil at T3, relative to the concentration of morphine, during an infusion of drug into the L2–L3 space. The infusion targets a concentration of 1 μmol/l at the L2–L3 space.
