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Swelling capacity (a) and equilibrium water content (b) of the hydrogels and porcine cartilage. Error bars are the ± standard deviations, n = 3. Data were analyzed using ANOVA (p < 0.0001) and Tukey’s HSD test. Statistical differences are indicated by asterisks (* p < 0.05, ** p < 0.005, *** p < 0.0005).
