@book { SozialeUngleichheitundGesundheit,
    title = "Soziale Ungleichheit und Gesundheit ",
    author = "Holger {Weilekes}",
    year = "2008",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783640168842",
    url = "https://www.hausarbeiten.de/document/114729"
}