Fig. 2From: Sinusoidal electromagnetic fields accelerate bone regeneration by boosting the multifunctionality of bone marrow mesenchymal stem cellsEvaluation of bone regeneration in vivo. a 3D reconstruction images of the cranial bone defects at 8 weeks. b, c Ratio of bone volume to total volume (BV/TV) and bone mineral density (BMD). d, e, f Tissue sections stained with H&E, Masson trichrome and Von kossa. g Quantification analysis of new bone area fraction in different groups at 8 weeks (n = 10). *P < 0.05 compared to Blank, **P < 0.01 compared to Blank, #P < 0.05 compared to O-N, ##P < 0.01 compared to O-NBack to article page