@book { Qualityindicatorsinhealthcare,
    title = "Quality indicators in health care",
    author = "Stephan {Meinecke}",
    year = "2002",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783640051625",
    url = "https://www.hausarbeiten.de/document/106887"
}