@book { Prophylaxefibel,
    title = "Prophylaxefibel",
    author = "Anke {Bräuning}",
    year = "2022",
    publisher = "Deutscher Ärzteverlag",
    address = "Köln, Deutschland",
    url = "https://deutscheraerzteverlag.openpublishing.com/document/1175009"
}