@book{UBHD-67592156,
  author={Nacke, Joachim},
  title={Vergleichende {\"o}konomische Bewertung von Spondylodesen und Bandscheibenprothesen der Hals- und Lendenwirbels{\"a}ule},
  year={2014},
  pages={103 Bl.},
  language={ger},
  school={Heidelberg, Univ., Diss., 2014},
  library={UB [Signatur: 2014 U 554]},
}
@article{UBHD-68324667,
  author={Wiedenh{\"o}fer, Bernd and Nacke, Joachim and Richter, Wiltrud and Eichler, Markus},
  title={Is total disk replacement a cost-effective treatment for cervical degenerative disk disease?},
  year={2017},
  pages={5 S.},
  language={eng},
  issn={2380-0194},
  volume={30},
  note={Gesehen am 05.11.2018},
  journal={Clinical spine surgery},
  doi={10.1097/BSD.0000000000000189},
}