Cheng, J.; Cheng, L.; Kong, L.-W.; Qiu, W.; Zhuang, R. Clinical Observation of Porcine Collagen Membrane + Artificial Bovine Bone Granules Guided Tissue Regeneration Combined With Autologous CGF in the Treatment of Severe Periodontitis Bone Defect. Pak J Med Sci 2023, 39.