majority of pediatric acute leukemia are unknown and are likely to involve an interaction
between genetic and environmental factors. Therefore, unfavourable gene-environmental
interactions might be involved in the genesis of ALL. The aim of this work was to evaluate, in
a case-control study, whether the common polymorphisms in 5, 10-
methylenetetrahydrofolate reductase (MTHFR) namely (C677T and A1298C) and …