Definición y evolución del concepto de sarcopenia Maria Luz Sánchez Tocino; Secundino Cigarrán; Pablo Ureña; Maria Luisa González Casaus; Sebastian Mas-Fontao; Carolina Gracia Iguacel; Alberto Ortíz; Emilio Gonzalez Parra;

Hepatitis B virus vaccine and chronic kidney disease. The advances Fabrizio Fabrizi; Roberta Cerutti; Vivek Dixit; Ezequiel Ridruejo;

External validation of a predictive model for one-year mortality in incident hemodialysis patients: A Portuguese cohort Telma Pais; Beatriz Teixeira; Miguel Carrilho; José Agapito Fonseca; Cristina Outerelo; Sofia Jorge; Cristina Resina; José António Lopes; Joana Gameiro;