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Cellularity of scaffolds seeded with MSCs or whole bone marrow cells and MSCs. Cell numbers were determined with a PicoGreen assay kit and are represented as mean ± standard deviation with n = 4. Groups not connected by the same letter are significantly different (p < 0.05). MSC, mesenchymal stem cell; PCL, poly(ɛ-caprolactone); ECM, extracellular matrix.
