I Costea, A Moghrabi, C Laverdiere, A Graziani, and M Krajinovic. 2006. “Folate Cycle Gene Variants and Chemotherapy Toxicity in Pediatric Patients With Acute Lymphoblastic Leukemia”. Haematologica 91 (8). Pavia, Italy, 1113-16. https://doi.org/10.3324/%x.