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  Indian J Med Microbiol
 

Figure 2: The in vitro release profile of EPO from TMC/GP hydrogel before and after freeze-drying (mean values ± SD, n = 3). EPO, erythropoietin; TMC/GP, trimethyl chitosan/β-glycerophosphate.

Figure 2: The <i>in vitro</i> release profile of EPO from TMC/GP hydrogel before and after freeze-drying (mean values ± SD, n = 3). EPO, erythropoietin; TMC/GP, trimethyl chitosan/β-glycerophosphate.