@book { ExpertenstandardSchmerzmanagementinderPflege,
    title = "Expertenstandard Schmerzmanagement in der Pflege",
    author = "Stefanie {Hellmann} and Rosa {Rößlein}",
    year = "2022",
    publisher = "Schlütersche Verlagsgesellschaft mbH & Co. KG",
    address = ", Deutschland",
    url = "https://schluetersche.openpublishing.com/document/1292646"
}