Delayed diagnosis of acute leukemia in a patient with bone pain and fracture - Seda Oztürkmen; Arzu Akyay; Zafer Biçakçi; Yaman Karakoç; Sefik Murat Arikan; Asli Celebi-Tayfur; Sebahat Ağladioğlu; Lale Olcay (The Turkish Journal of Pediatrics)