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Effect of PLGA microsphere incorporation on murine L929 cells proliferation on gelatin scaffold. Proliferation was studied for 7 days. Values are mean ± S.D. (n = 3). (A1) Gelatin scaffold, (A2) 0.1% w/w PLGA microsphere loaded scaffold, (A3) 1% w/w PLGA microsphere loaded scaffold, and (A4) 10% w/w PLGA microsphere loaded scaffold. *P < .05, compared to gelatin scaffold having no PLGA microsphere.
