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Release profiles of SM across isopropyl myristate (IPM) impregnated cellulose-acetate membrane of the formulations I–X. Each point represents the mean ± S.D. of five experiments. Repeated-Measures Anova and Pearson correlation tests were performed. Significant differences (p > 0.05) were marked with * in the figure. The asterisks show the significance levels in the case of compositions containing SM in suspended or dissolved forms.
