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  Indian J Med Microbiol
 

Table 3: Variables and their levels used in the 32 factorial design for optimization of Carbopol 934 (Gelling Polymer) and Propylene Glycol (Humectant)

Table 3: Variables and their levels used in the 3<sup>2</sup> factorial design for optimization of Carbopol 934 (Gelling Polymer) and Propylene Glycol (Humectant)