CENTRAL NERVOUS SYSTEM (CNS) RELAPSES AND PROGNOSTIC FACTORS AFFECTING THE RELAPSES: EVALUATION OF PATIENTS WITH ACUTE LYMPHOBLASTIC LEUKEMIA WHO RECEIVED 1800 CGY AND 2400 CGY CRANIAL RADIOTHERAPY (RT) FOR CNS PROPHYLAXIS
SERDAR ÖZKÖK, MUSTAFA ESAASOLAK, FÜSUN GÖÇEN, ARMAĞAN ARICAN, HALDUN ÖNİZ, NAZAN ÇETİNGÜL, CANAN VERGİN, AYFER HAYDAROĞLU