Which prognostic marker is responsible for the clinical heterogeneity in CLL with 13q deletion? oleh Beyhan Durak Aras, Sevgi Isik, Hava Uskudar Teke, Abdulvahap Aslan, Filiz Yavasoglu, Zafer Gulbas, Fatih Demirkan, Hulya Ozen, Oguz Cilingir, Nur Sena Inci, Gulcin Gunden, Tuba Bulduk, Ebru Erzurumluoglu Gokalp, Sinem Kocagil, Sevilhan Artan, Olga Meltem Akay