@book { LeitlinieninderMedizin,
    title = "Leitlinien in der Medizin",
    subtitle = "Eine haftungsrechtliche Betrachtung",
    author = "Oliver {Nowak}",
    year = "2002",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1093372"
}