Randomized, Double-Blind, Phase 3 Trial of Triple Therapy With Dapagliflozin Add-on to Saxagliptin Plus Metformin in Type 2 Diabetes - Mathieu, C; Ranetti, A E; Li, D; Ekholm, E; Cook, W; Hirshberg, B; Chen, H; Hansen, L; Iqbal, N (Diabetes Care, 2015)