R. G. Bretzel

Effect of long-term dietary protein intake on glucose metabolism in humans

Thomas Linn, Budi Santosa, Dietrich Grönemeyer et al. · Diabetologia · 2000 · 245 citations · Full text

Obesity, Nutrition, Metabolic Syndrome +10

Upregulation of the vascular endothelial growth factor/vascular endothelial growth factor receptor system in experimental background diabetic retinopathy of the rat.

HP Hammes, Jing Lin, R. G. Bretzel et al. · Diabetes · 1998 · 223 citations

Ocular Disease, Diabetic Retinopathy, Angiogenesis +16

High prevalence of vitamin D deficiency, secondary hyperparathyroidism and generalized bone pain in Turkish immigrants in Germany: identification of risk factors

M. Z. Erkal, Jürgen Wilde, Yaşar Bilgin et al. · Osteoporosis International · 2006 · 172 citations

Bone Disease, High Prevalence, Turkish Immigrants +4

Improved survival of intraportal pancreatic islet cell allografts in patients with type-1 diabetes mellitus by refined peritransplant management

R. G. Bretzel, Daniel Brandhorst, Heide Brandhorst et al. · Journal of Molecular Medicine · 1999 · 106 citations

Peritransplant Management, Islet Transplantation, Diabetes +7

Efficacy of benfotiamine versus thiamine on function and glycation products of peripheral nerves in diabetic rats

H. Stracke, HP Hammes, D. Werkmann et al. · Experimental and Clinical Endocrinology & Diabetes · 2001 · 103 citations