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Figure 7: Plasma glucose levels in diabetic rats after oral administration of insulin-loaded microparticles 10 (▲) and 25 (■) IU/kg and 0.15 M NaCl solution, pH 3.0 (○), compared to 2.5 IU/kg delivered subcutaneously (×). * Shows statistically significant difference between animals treated with orally administered microparticles 25 IU/kg and control group (untreated) (p < 0.05).
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