Santos, A.R.T. dos . et al. 2023. Predominant trend of mortality due to leukemia in the child and youth population in the brazilian northeast between 2009-2019: ecological study. Research, Society and Development. 12, 5 (Apr. 2023), e0312541285. DOI:https://doi.org/10.33448/rsd-v12i5.41285.