Csifó-NagyB., SólyomE., HuszárT. and DőriF. 2021. Healing of intrabony defects following treatment with PRG or EMD (seven years follow-up): A retrospective case series. Hungarian Journal of Dentistry. 114, 4 (Dec. 2021), 152-158. DOI:https://doi.org/10.33891/FSZ.114.4.152-158.