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Combination of insulin and metformin in the treatment of type 2 diabetes.
Wulffelé MG, Kooy A, Lehert P, Bets D, Ogterop JC, Borger van der Burg B, Donker AJ, Stehouwer CD. Wulffelé MG, et al. Among authors: ogterop jc. Diabetes Care. 2002 Dec;25(12):2133-40. doi: 10.2337/diacare.25.12.2133. Diabetes Care. 2002. PMID: 12453950 Clinical Trial.
Effects of short-term treatment with metformin on serum concentrations of homocysteine, folate and vitamin B12 in type 2 diabetes mellitus: a randomized, placebo-controlled trial.
Wulffelé MG, Kooy A, Lehert P, Bets D, Ogterop JC, Borger van der Burg B, Donker AJ, Stehouwer CD. Wulffelé MG, et al. Among authors: ogterop jc. J Intern Med. 2003 Nov;254(5):455-63. doi: 10.1046/j.1365-2796.2003.01213.x. J Intern Med. 2003. PMID: 14535967 Free article. Clinical Trial.