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In our experimental human in vivo study we generated bilateral gluteal wounds with sterile 4 mm biopsy punches on 10 male students (a). Left gluteal wounds were treated with NaCL as control, right gluteal wounds were treated with Vivostat Platelet-Rich Fibrin (PRF®) on day 0 and day 5. Treated wounds were covered with sterile PU-foam dressings (b). On day 10 we resected bilateral gluteal wound specimens with 6 mm biopsy punches (c).
