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. 2018 Aug 14;11(8):1430. doi: 10.3390/ma11081430

Figure 6.

Figure 6

Cytotoxicity of graphene-hydroxyapatite hybrid (GHB) scaffold on MC3T3-E1 cells. (a,b) second and fourth day(3D Graphene Foam) (c,d) 2nd and 4th day (3D GHBs), respectively [72] (copyright 2018, Crystals).