Interleukin-6 as a prognostic marker in acute kidney injury and its klotho-dependent regulation Laura González-Lafuente; Elisa Mercado-García; Sara Vázquez-Sánchez; Daniel González-Moreno; Lisardo Boscá; María Fernández-Velasco; Julián Segura; Makoto Kuro-O; Luis M. Ruilope; Fernando Liaño; Gema Ruiz-Hurtado;

Occurrence of acute kidney injury in adult patients hospitalized with COVID-19: A systematic review and meta-analysis Reginaldo Passoni; Tarcísio Vitor Augusto Lordani; Luis Alberto Batista Peres; Ariana Rodrigues da Silva Carvalho;

Clinical Frailty Scale and Charlson Comorbidity Index as predictors of hospitalization and mortality risk after kidney transplant failure Rita Leal; Pedro Almiro e Castro; Rui Duarte; Ana Rita Silva; Maria Guedes Marques; Luís Rodrigues; Lídia Santos; Catarina Romãozinho; Helena Oliveira Sá; Arnaldo Figueiredo; Rui Alves;