Fig. 9From: Nacre-mimetic cerium-doped nano-hydroxyapatite/chitosan layered composite scaffolds regulate bone regeneration via OPG/RANKL signaling pathway(a) H&E staining of the calvarial defect rats; (b) Immunofluorescence staining of DAPI (blue), OPG (red) and RANKL (red) from the calvarial defect ratsBack to article page