@book { MedizinimUmbruch,
    title = "Medizin im Umbruch",
    author = "Viktor {Ortner}",
    year = "2012",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783656354680",
    url = "https://www.hausarbeiten.de/document/206972"
}