Baur, D. M., Klotsche, J., Hamnvik, O. P. R., Sievers, C., Pieper, L., Wittchen, H. U., et al. (2011). Type 2 diabetes mellitus and medications for type 2 diabetes mellitus are associated with risk for and mortality from cancer in a German primary care cohort. Metabolism-Clinical and Experimental, 60(10), 1363-1371.