@article{UBHD-68420600,
  author={Sayed, Nihad el and B{\"a}umer, Amelie and El-Sayed, Shirin and Wieland, Lars and Kronsteiner, Dorothea and Eickholz, Peter and Pretzl, Bernadette},
  title={Twenty years later},
  subtitle={oral health-related quality of life and standard of treatment in patients with chronic periodontitis},
  year={2019},
  pages={323-330},
  language={eng},
  issn={1943-3670},
  volume={90},
  number={4},
  note={Gesehen am 14.08.2019},
  journal={Journal of periodontology},
  doi={10.1002/JPER.18-0417},
}
@book{UBHD-68574372,
  author={Wieland, Lars},
  organization={Universit{\"a}t Heidelberg},
  title={Mundgesundheitsbezogene Lebensqualit{\"a}t bei Patienten mit chronischer Paradontitis 20 Jahre nach systematischer Paradontitistherapie},
  address={Heidelberg},
  year={2019},
  pages={64 Bl{\"a}tter},
  language={ger},
  school={Dissertation,  Ruprecht-Karls-Universit{\"a}t Heidelberg,  2020},
  library={UB [Signatur: 2020 U 336]},
}