Positive fluid balance as an early biomarker for acute kidney injury: a prospective study in critically ill adult patients Maria Olinda Nogueira Ávila; Paulo Novis Rocha; Caio A. Perez; Tássia Nery Faustino; Paulo Benigno Pena Batista; Luis Yu; Dirce Maria T. Zanetta; Emmanuel A. Burdmann;

Coronavirus disease 2019 infection severity among different variants in children under 2-years old in Brazil Beatriz Martinelli Menezes Gonçalves; Rossana P.V. Francisco; Ágatha S. Rodrigues; José Carlos Soares Junior;

Variations of renal Doppler indices during the initial 24-hour predict acute kidney injury in patients with sepsis: A single-center observational case-control clinical study Xing Chen; Wen Wu; Chao Lei; Chong Li; Zhaohui Zhang; Xingguang Qu;