@book { DarmgesundheitimMittelalter,
    title = "Darmgesundheit im Mittelalter",
    author = "Elisabeth {Sulzer} and Andrea {Hofmeister-Winter}",
    year = "2017",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-06784-2",
    url = "https://www.peterlang.com/document/1113236"
}