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Radiological research activity 1998–2007: relationship to gross domestic product, health expenditure and public expenditure on educationDOI: 10.1007/s13244-010-0033-8 Keywords: Impact factor,Radiology,Research activity,Gross domestic product (GDP),Health expenditure,Public education expenditure Abstract: Radiological research activity demonstrates a close relationship to the GDP, health expenditure and public expenditure on education. The last factor independently predicts research activity.
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