Abbas, A. M. et al. 2019. Evaluation of the effectiveness of using platelet rich fibrin (PRF) as a sole grafting material and membrane in augmentation of dehiscence and fenestration defects encountered during dental implant surgery. Journal of Baghdad College of Dentistry. 31, 2 (Jun. 2019), 44–51. DOI:https://doi.org/10.26477/jbcd.v31i2.2623.