@book { TheproblemsofChinasHealthcaresystem,
    title = "The problems of China's Health care system",
    author = "Abdula {Hamed}",
    year = "2010",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836643368",
    url = "https://m.diplom.de/document/227637"
}