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Permeability evaluations of CA with GF120918 (Pgp inhibitor) and baicalin in the A – B and B – A directions. All the data were from three replications and expressed as cm/s (mean ± SD, n = 3). Significant differences with respect to the control (HBSS) at p < 0.05 (∗) and p < 0.01 (∗ ∗).
