@article{MaawiBeckerSchwarzetal.2021,
  author    = {Sarah al- Maawi and Kathrin Becker and Frank Schwarz and Robert Alexander Sader and Shahram Michael Ghanaati},
  title     = {Efficacy of platelet-rich fibrin in promoting the healing of extraction sockets: a systematic review},
  journal   = {International journal of implant dentistry},
  volume    = {7},
  number    = {art. 117},
  pages     = {1 -- 27},
  doi       = {10.1186/s40729-021-00393-0},
  year      = {2021},
}