U-shaped association between hemoglobin to red blood cell distribution width ratio and all-cause mortality among critically ill pediatric patients Weichao He; Jie Liu; Rui Jiang; Xinyu Yang; Xujie Zhang; Ruoyu Cao; Zhenshui Hu; Xiaolan Zhang; Yan Gao;

Evaluation of the prevalence and factors associated with acute kidney injury in a pediatric intensive care unit Cibelle Ferreira Louzada; Alexandre Rodrigues Ferreira;

Mortality in children under five years old in Brazil: evolution from 2017 to 2020 and the influence of COVID-19 in 2020 Erly C. Moura; Juan Cortez-Escalante; Rodrigo T.S. Lima; Fabrício V. Cavalcante; Layana C. Alves; Leonor M.P. Santos;