Figure 6.
Amplitude (strain) dependence of four systems: System 1: (A) chitosan/collagen hydrogel alone; System 2: (B) hydrogel with 5% nHA; System 3: (C) hydrogel with 2% nHA and 5% CaCO3; and System 4: (D) hydrogel with 5% nHA and 1% CaCO3.
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