Üre Ü, Ar Cem M, Başlar Z, Soysal T, Öngören Ş, Gülseven M, Aydın Y, Ülkü B, Tüzüner N, Ferhanoğlu B. The Effect of ZAP-70 Expression on Disease Progression in Early-Stage (Binet A) B-CLL Patients. Balkan Med J 2009;26:317-321