1. S. Kang, Diabetes 2012, The Lancet (2012)
2. M. De Groot, R. Anderson, K.E. Freedland, R.E. Clouse, P.J. Lustman, Psychosom. Med. 63, 619–630 (2001)
3. D. Wanless, Securing our future health: taking a long-term view. HM Treasury (2002)
4. A.M. Jacobson, Endocr. Pract. 10, 502–508 (2004)
5. T. C. Vu, D. B. Brzozowski, R. Fox, Methods and compounds for producing dipeptidyl peptidase IV inhibitors and intermediates thereof. WO 2004/052850 A2 2004