@book{VauthEnglertFischeretal.2005,
  author    = {Vauth, C. and Englert, Heike and Fischer, T. and Greiner, W. and Willich, SN. and Stroever, B. and von Schulenburg, JM.},
  title     = {Sonographische Diagnostik beim akuten Abdomen bei Kindern und Erwachsenen},
  publisher = {DIMDI},
  address   = {K{\"o}ln},
  publisher      = {FH M{\"u}nster - University of Applied Sciences},
  pages     = {136},
  year      = {2005},
  language  = {de}
}
@article{WillichMuellerNordhornEnglertetal.2005,
  author    = {Willich, SN. and M{\"u}ller-Nordhorn, J. and Englert, Heike and Sonntag, F. and V{\"o}ller, H. and Meyer-Sabellek, W. and Wegscheider, K. and Windler, E. and Katus, H.},
  title     = {Cost-of-illness analysis in patients with hypercholesterolemia},
  series = {Circulation},
  volume    = {111},
  journal   = {Circulation},
  issn      = {2574-8300},
  pages     = {342 -- 343},
  year      = {2005},
  language  = {de}
}
@article{SchaeferEnglertAhlersetal.2003,
  author    = {Schaefer, GA. and Englert, Heike and Ahlers, ChJ. and Roll, S. and Willich, SN. and Beier, KM.},
  title     = {Erektionsst{\"o}rung und Lebensqualit{\"a}t - Erste Ergebnisse der Berliner M{\"a}nner-Studie BMS-I},
  series = {Sexuologie},
  volume    = {10},
  journal   = {Sexuologie},
  number    = {2/3},
  issn      = {0944-7105},
  pages     = {50 -- 60},
  year      = {2003},
  language  = {de}
}