@book { HealthCareEconomicsTheMarketforPhysicianServices,
    title = "Health Care Economics: The Market for Physician Services",
    author = "Franz {Benstetter}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1093659"
}