A Spanish version for the new ERA-EDTA coding system for primary renal disease Óscar Zurriaga, Carmen López-Briones, Eduardo Martín Escobar, Ramón Saracho-Rotaeche, Íñigo Moina Eguren, Luis Pallardó Mateu, José María Abad Díez, José Ignacio Sánchez Miret

Comparison of MDRD equations and the old equations CKD-EPI against new equations CKD-EPI in patients with kidney transplantation when used 51Cr-EDTA to measure glomerular filtration Francisco José Borrego Utiel, Angel Miguel Ramírez Navarro, Rafael Esteban de la Rosa, Juan Antonio Bravo Soto

Goals for Nefrología in a new era Carlos Quereda, Alcázar, García-López, Purroy