Effect of rosiglitazone, metformin, and glyburide on bone biomarkers in patients with type 2 diabetes - Zinman, B; Haffner, S M; Herman, W H; Holman, R R; Lachin, J M; Kravitz, B G; Paul, G; Jones, N P; Aftring, R P; Vibert, G; Kahn, S Eand the A Diabetes Outcome Progression Trial (ADOPT) Study Group (J Clin Endocrinol Metab, 2010)