@book { Viruserkrankungenganzheitlichbehandeln,
    title = "Viruserkrankungen ganzheitlich behandeln",
    author = "Andreas {Brieschke}",
    year = "2022",
    publisher = "humboldt",
    address = "Hannover, Deutschland",
    url = "https://schluetersche.openpublishing.com/document/1182403"
}