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Gross examination and mechanical-strength analysis. A Morphological features of printed rectangular scaffolds (10 × 10 × 3 mm). Thickness, grid interval, and porosity of the printed scaffolds were quantitatively analyzed in Table 1. B Mechanical-strength analysis of the printed CAM-silk scaffolds. Compressive modulus of the CAM-silk scaffolds was tunable by varying the cross-linking method (*p < 0.05, ***p < 0.001)
