@article{UBHD-67554963,
  author={Berg, Gabriele and Blettner, Maria and Brenner, Hermann},
  title={Helicobacter pylori infection and serum ferritin},
  subtitle={a population-​based study among 1806 adults in Germany},
  year={2001},
  pages={1014-1018},
  language={eng},
  issn={0002-9270},
  volume={96},
  journal={The American journal of gastroenterology},
}
@book{UBHD-9414802,
  author={Blettner, Maria},
  title={Strategien zur Modellbildung in Fall-Kontrollstudien unter Ber{\"u}cksichtigung von fehlerhaften Daten},
  year={1994},
  pages={Getr. Z{\"a}hl.},
  language={ger},
  school={Heidelberg, Univ., Habil.-Schr., 1994},
  library={UB [Signatur: 94 U 377]},
}
@article{UBHD-67562564,
  author={St{\"u}rmer, Til and Blettner, Maria and Brenner, Hermann},
  title={The performance of methods for correcting measurement error in case-​control studies},
  year={2002},
  pages={507-16},
  language={eng},
  issn={1044-3983},
  volume={13},
  journal={Epidemiology},
}