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. 2023 Nov 15;18:6725–6741. doi: 10.2147/IJN.S433624

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© 2023 Peng et al.

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Optical and SEM image of the microgels before biomineralization. (A) Optical image of GelMA, 0.5, 1, and 2 mg/mL GO-GelMA microgels; (B) surface and cross section SEM image of the microgels before biomineralization. Scale bar = 20 μm.