ARBILDO, H.; GAMARRA, L.; ROJAS, S.; INFANTES, E.; LAMAS, C.; VÁSQUEZ, H. Clinical effect of platelet rich plasma in the treatment of periodontal intrabony defects. Systematic review and meta-analysis. Journal of Oral Research, v. 6, n. 4, p. 97-104, 25 abr. 2017.