Clinical outcomes in diabetic and non-diabetic patients with drug-eluting stents: results from the first phase of the prospective multicenter German DES.DE registry - Akın, Ibrahim; Bufe, Alexander; Schneider, Steffen; Reinecke, Holger; Eckardt, Lars; Richardt, Gert; Burska, Detlev; Senges, Jochen; Kuck, Karl-Heinz; Nienaber, Christoph (Clinical research in cardiology, 2010)