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. Author manuscript; available in PMC: 2021 Oct 1.
Published in final edited form as: Mater Sci Eng C Mater Biol Appl. 2020 May 4;115:111041. doi: 10.1016/j.msec.2020.111041

Figure 4:

Figure 4:

Cumulative release micrographs of chitosan from HA disks and chitosan loaded HA disks at pH 7.4 and pH 5.0 at weeks 5 and 7. Samples in acidic pH display higher degradation, which is evident from the inhomogeneous and rough surface morphology.