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Maintenance of long-term glycaemic control with combination sulfonylurea and pioglitazone therapy [Charbonnel and Scheen, 2006 (22)]. The placebo group is shown by the solid line and squares. The pioglitazone group is shown by the dashed line and diamonds. Copyright © 2005 American Diabetes Association from Diabetes, vol. 55, 2006; A478. Reprinted with permission from the American Diabetes Association
