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Silbernagel G, Stefan N, Hoffmann MM, Machicao-Arano F, Machann J, Schick F, Winkelmann BR, Boehm BO, Häring HU, Fritsche A, März W.Silbernagel G, et al. Among authors: stefan n.Exp Clin Endocrinol Diabetes. 2009 Mar;117(3):113-8. doi: 10.1055/s-0028-1082069. Epub 2008 Aug 25.Exp Clin Endocrinol Diabetes. 2009.PMID: 18726867
Fritsche A, Stefan N, Hardt E, Schützenauer S, Häring H, Stumvoll M.Fritsche A, et al. Among authors: stefan n.Eur J Clin Invest. 2000 May;30(5):411-8. doi: 10.1046/j.1365-2362.2000.00649.x.Eur J Clin Invest. 2000.PMID: 10809901Clinical Trial.
Stumvoll M, Fritsche A, Stefan N, Häring H.Stumvoll M, et al. Among authors: stefan n.Horm Metab Res. 2000 Jun;32(6):230-2. doi: 10.1055/s-2007-978626.Horm Metab Res. 2000.PMID: 10898552
Fritsche A, Stefan N, Hardt E, Häring H, Stumvoll M.Fritsche A, et al. Among authors: stefan n.Diabetologia. 2000 Jul;43(7):852-8. doi: 10.1007/s001250051461.Diabetologia. 2000.PMID: 10952457
Stefan N, Fritsche A, Madaus A, Häring H, Stumvoll M.Stefan N, et al.Diabetologia. 2000 Nov;43(11):1368-73. doi: 10.1007/s001250051540.Diabetologia. 2000.PMID: 11126404
Stumvoll M, Fritsche A, Stefan N, Hardt E, Häring H.Stumvoll M, et al. Among authors: stefan n.J Clin Endocrinol Metab. 2001 Mar;86(3):1235-9. doi: 10.1210/jcem.86.3.7331.J Clin Endocrinol Metab. 2001.PMID: 11238514
Stumvoll M, Fritsche A, Volk A, Stefan N, Madaus A, Maerker E, Teigeler A, Koch M, Machicao F, Häring H.Stumvoll M, et al. Among authors: stefan n.Diabetes. 2001 Apr;50(4):882-5. doi: 10.2337/diabetes.50.4.882.Diabetes. 2001.PMID: 11289056
Fritsche A, Stefan N, Häring H, Gerich J, Stumvoll M.Fritsche A, et al. Among authors: stefan n.Ann Intern Med. 2001 May 1;134(9 Pt 1):729-36. doi: 10.7326/0003-4819-134-9_part_1-200105010-00009.Ann Intern Med. 2001.PMID: 11329230Clinical Trial.
Stefan N, Fritsche A, Häring H, Stumvoll M.Stefan N, et al.Diabetes. 2001 May;50(5):1143-8. doi: 10.2337/diabetes.50.5.1143.Diabetes. 2001.PMID: 11334419