@article{UBHD-68312033,
  author={Corcodel, Nicoleta and Karatzogiannis, Efstathios and Rammelsberg, Peter and Hassel, Alexander J.},
  title={Evaluation of two different approaches to learning shade matching in dentistry},
  year={2012},
  pages={83-88},
  language={eng},
  issn={1502-3850},
  volume={70},
  number={1},
  note={Published online: 27 Jul 2011 ; Gesehen am 05.10.2018},
  journal={Acta odontologica Scandinavica},
  doi={10.3109/00016357.2011.600705},
}
@article{UBHD-68257724,
  author={Gabbert, Olaf and Karatzogiannis, Efstathios and Ohlmann, Brigitte and Schmitter, Marc and Karl, Jochen and Rammelsberg, Peter},
  title={Fracture load of tooth-implant-retained zirconia ceramic fixed dental prostheses},
  subtitle={effect of span length and preparation design},
  year={2012},
  pages={719-725},
  language={eng},
  issn={1600-0501},
  volume={23},
  number={6},
  note={First published: 03 August 2011 ; Gesehen am 05.06.2018},
  journal={Clinical oral implants research},
  doi={10.1111/j.1600-0501.2011.02191.x},
}
@book{UBHD-67094188,
  author={Karatzogiannis, Efstathios},
  title={In-vitro-Untersuchung zur Bruchlast Zahn-Implantat-getragener Zirkondioxidbr{\"u}cken},
  year={2011},
  pages={89 Bl.},
  language={ger},
  school={Heidelberg, Univ., Diss., 2011},
  library={UB [Signatur: 2011 U 691]},
}