@book { MnnerinderGesundheitsundKrankenpflege,
    title = "Männer in der Gesundheits- und Krankenpflege",
    author = "Torsten {Wellmann}",
    year = "2008",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836621960",
    url = "https://m.diplom.de/document/226325"
}