@book { KlinischesCaseManagement,
    title = "Klinisches Case Management: ",
    author = "Roland {Ganzmann}",
    year = "2011",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783640947973",
    url = "https://www.hausarbeiten.de/document/174361"
}