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Toeller, M., Buyken, A., Heitkamp, G., Berg, G., &; Scherbaum, W. (1999). Prevalence of chronic complications, metabolic control and nutritional intake in type 1 diabetes: comparison between different European regions. EURODIAB Complications Study group. Horm Metab Res, 31(12), 680–685.https://doi.org/10.1055/s-2007-978820 
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