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Endoscopic examination of VFs at 3 months post-injury. Endoscopic examination of VFs at 3 months post-injury revealed prominent fibrotic scars in the PBS group, but reduced scar formation in the HGF and HGF–HA/ALG groups (the PBS group; injured and PBS treated, the HGF group; injured and HGF treated, HGF–HA/ALG group; injured and HGF–HA/ALG treated)
