Pharmacokinetics after i.v. and p.o. dosing of CD1 mice. (A) Concentration in whole blood after i.v. dosing (1 mg/kg) of SfA, SfB, SfC, and SfD. (B) Concentration in whole blood after p.o. dosing (10 mg/kg) of SfA, SfB, SfC, and SfD. The error bars indicate standard deviations.