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Viability and cytotoxicity of the MC3T3 cells cultured in scaffolds made of composites containing 20 g of PLA sterilized by (a,b) moist heat, (c,d) gamma rays, and (e,f) plasma sterilization. Viability was determined by the MTT test, and cytotoxicity was estimated by quantifying the release of the LDH enzyme. (Nsamples = 12 for each condition).
