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Graph showing cumulative amount of drug permeated (CDP) at the end of 24 h with and without permeation enhancers for combinational patches (C4/OLA, C4/ISA and C4/IPM reprsents C4patch with oleic acid (OLA), Isostearic acid and Isopalmitic Myristate as permeation enhancers, respectively. Similar in case of C5 combinational patches).
