Address correspondence and reprint requests to Klaus P. Ratzmann, MD, Center for Diabetes and Metabolic Disorders, 1020, Klosterstrasse 71/72, Berlin, GDR.
Klaus P Ratzmann, Henninc Thoelke; Trends in Treatment Among Unselected Geographically Defined Diabetic Population. Diabetes Care 1 May 1990; 13 (5): 545–546. https://doi.org/10.2337/diacare.13.5.545
