Long-term glycaemic control with metformin–sulphonylurea–pioglitazone triple therapy in PROactive (PROactive 17)

A. J. Scheen, M. H. Tan, D. J. Betteridge, K. Birkeland, O. Schmitz and B. Charbonnel

Diabetic Medicine 26 ( 10 ): 1033 - 1039 , 2009