@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}
}
@article{EnglertSchaeferRolletal.2003,
  author    = {Englert, Heike and Schaefer, GA. and Roll, S. and Beier, K. and Willich, SN.},
  title     = {Prevalence of Erectile Dysfunction in a Metrolpolitan Population of Men Aged 40-79},
  series = {Gac Sanit},
  volume    = {17 (Suppl 2)},
  journal   = {Gac Sanit},
  issn      = {1578-1283},
  pages     = {175 -- -},
  year      = {2003},
  language  = {en}
}