El-dien, A. M. S.; Fathy, S. .; El-din, Y. A. The Potential Bone Regenerative Effects of DFDBA, Simvastatin and Platelet Rich Fibrin, Radiographically and Histologically of Intra-Bony Periodontal Defects in White New Zealand Rabbits. Open Access Maced J Med Sci 2021, 9, 72-80.