@book { PflegevonPatientenmitUlcuscruris,
    title = "Pflege von Patienten mit Ulcus cruris",
    author = "",
    year = "2008",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783640103782",
    url = "https://www.hausarbeiten.de/document/111887"
}