Fig. 3. FTIR spectrum of HA/PCL/gelatin with varying ratios of sample (A) (50 : 40 : 10), sample (B) (50 : 30 : 20), sample (C) (50 : 25 : 25), sample (D) (50 : 20 : 30), and sample (E) (50 : 35 : 15).
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