1. Reference Group for Diabetes: The Norwegian College of General Practitioner's Guidelines for Diabetes Care in General Practice. Oslo, Norwegian College of General Practice, Norwegian Diabetes Association, 2000
2. Claudi T, Cooper J, Skogøy K, Hausken MF, Melbye H: Diabetic care in Norwegian general practice: a report of current status from Salten and some regions in Rogaland. Tidsskr Nor Laegeforen 117:3661–3664, 1997 [in Norwegian]
3. Stevens RJ, Kothari V, Adler AI, Stratton IM: The UKPDS risk engine: a model for the risk of coronary heart disease in Type II diabetes. Clin Sci 101:671–679, 2001
4. Jenum AK, Graff-Iversen S, Selmer R, Søgaard AJ: Risk factors for cardiovascular disease and diabetes through three decades. Tidsskr Nor Laegeforen 127:2532–2536, 2007 [in Norwegian]
5. Gudbjornsdottir S, Cederholm J, Eliasson B, and Nilsson PM: Result Report NDR 1996–2005. Socialstyrelsen, Stockholm, 2006