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Flux values (expressed as the amount of agent permeated per tissue area unit into the acceptor medium per unit time) of zidovudine from microparticles MB1 and MB2 and control (pure drug dispersed in HEC/SVF, pH 4.2) assessed at 2, 4, and 8 h of studies. *Significant differences with p ≤ .05 in comparison to a pure drug in HEC/SVF (pH 4.2). Values are expressed as mean ± S.D. (n = 4).
