@article{miltiadous_floratos_2015,  title={Regenerative Endodontic Treatment as a Retreatment Option for a Tooth with Open Apex - A Case Report},  volume={26},  ISSN={0103-6440},  url={https://doi.org/10.1590/0103-644020130218},  DOI={10.1590/0103-644020130218},  number={5},  journal={Brazilian Dental Journal},  publisher={Fundação Odontológica de Ribeirão Preto},  author={Miltiadous, Maria-Elpida A. and Floratos, Spyros G.},  year={2015},  month={Oct},  pages={552–556} }