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Masson Goldners’ trichrome staining of bone formations. The bone generation was detectable in group C/C irrad and D/D irrad, whereas no bone formation was induced by the scaffold alone (B/B irrad). Outgrowth of bone tissue from the femoral stumps was present in group A but very limited in group A irrad (black arrows). ((A–C): 12 weeks after CSFD, (D): 10 days after CSFD). Scale bar 2 mm. Merged images. Total magnification ×40.
