PB2401: DETERMINING MOLECULAR BACKGROUND OF A GROUP OF CHILDHOOD LEUKEMIA/LYMPHOMA PATIENTS WITH POSITIVE FAMILY HISTORY FROM TÜRKIYE oleh Gizem Önder, Ufuk Amanvermez, Cengiz Canpolat, Fatih Erbey, Davut Albayrak, Elif Ince, Gul Nihal Ozdemir, Yunus Murat Akcabelen, Nese Yarali, Namik Yasar Ozbek, Ikbal Okbozkaya, Turan Bayhan, Dilek Kacar, Omer Dogru, Koray Yalcin, Nihat Bugra Agaoglu, Ozkan Ozdemir, Ugur Ozbek, Ozden Hatirnaz Ng