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Tensile and compression test results of PCL/ALMA scaffolds. (a) Tensile stress−strain curves and (b) tensile moduli of PCL/ALMA scaffolds. (c) Compressive stress−strain curves and (d) compressive moduli of PCL/ALMA scaffolds. The superficial-layer, middle-layer, deep-layer networks and tri-layered networks are, respectively, represented as SL-PMA, ML-PMA, DL-PMA and PMA-gradient. ***P < 0.001; **P < 0.01; *P < 0.5
