The IMPROVE study--a multinational, observational study in type 2 diabetes: baseline characteristics from eight national cohorts.
Valensi P, Benroubi M, Borzi V, Gumprecht J, Kawamori R, Shaban J, Shah S, Shestakova M, Wenying Y, IMPROVE Study Group Expert Panel. Int J Clin Pract. 2008 Nov; 62(11):1809-19. Epub 2008 Sep 22.