Definition and evolution of the concept of sarcopenia Maria Luz Sanchez-Tocino; Secundino Cigarrán; Pablo Ureña; Maria Luisa González-Casaus; Sebastian Mas-Fontao; Carolina Gracia-Iguacel; Alberto Ortíz; Emilio Gonzalez-Parra;

Hemodialysis vascular access in the elderly: Promising results from a tertiary center Bruno Fraga Dias; Fernanda Silva; Isabel Fonseca; Paulo Almeida; José Queirós;

Risk factors for progression in patients with KDOQI stage 3 Chronic Kidney Disease (PROGRESER study) Alberto Martínez-Castelao; José Luis Górriz Teruel; Luis D¿Marco; Enrique Garrigós; Gema Fernández-Fresnedo; Eugenia Espinel Garuz; Secundino Cigarrán Guldris; Jesús Arteaga Coloma; Nicolas Roberto Robles Pérez-Monteoliva; José Rafael Esteban de la Rosa; Luis Javier Nieto Iglesias; Alberto Ortiz Arduán; Juan Francisco Navarro-González;