@phdthesis{Kostbahn2004,
  author      = {Wilfried Kostbahn},
  title       = {Retrospektive Auswertung in einer endodontischen Privatpraxis behandelter Patienten},
  type        = {doctoralthesis},
  school      = {Universit{\"a}t W{\"u}rzburg},
  year        = {2004},
}