@book { DurchfhrungeinerBlutdruckmessung,
    title = "Durchführung einer Blutdruckmessung",
    author = "Stephan {Druselmann}",
    year = "2011",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783656014508",
    url = "https://www.hausarbeiten.de/document/179128"
}