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Pre-seeded scaffold area fraction as a function of 2D milling slice (a), total (PGA and PLLA combined) mean ± standard deviation scaffold area fraction for PRI and POI groups (b), and scaffold fiber type-specific mean ± standard deviation scaffold area fractions for PRI (PGA, PLLA) and POI (PGA, PLLA) (c) groups. Note that the asterisks indicate statistically significant differences between groups (p <0.05).
