Importance of physical exercise prescription in patients with chronic kidney disease: results of the survey of the Grupo Español Multidisciplinar de Ejercicio Físico en el Enfermo Renal [Spanish Multidisciplinary Group of Physical Exercise in Kidney Patients] (GEMEFER) Florentino Villanego; David Arroyo; Víctor Martínez-Majolero; Sonsoles Hernández-Sánchez; Vicent Esteve-Simó;

Comparison of efficacy and safety of the new generation helixone dialyzers Francisco Maduell; José Jesús Broseta; Diana Rodríguez-Espinosa; Lida María Rodas; Miquel Gómez; Marta Arias-Guillén; Néstor Fontseré; Manel Vera; Maria del Carmen Salgado; Nayra Rico; Rosa Ramos;

Correlation of plasmatic sodium determined by the laboratory and that determined by the dialysis machine Joaquim Casals; José Jesús Broseta; Rosa María Fernández; Diana Rodriguez-Espinosa; Jimena del Risco; Miquel Gómez; Lida M. Rodas; Marta Arias-Guillén; Manel Vera; Néstor Fontseré; Naira Rico; Francisco Maduell;