Risk factors associated with valvular calcification in patients with chronic kidney disease. Analysis of NEFRONA study Lidia Martínez Fernández; J. Emilio Sánchez-Alvarez; César Morís de la Tassa; José Joaquín Bande Fernández; Virtudes María; Elvira Fernández; Jose M. Valdivielso; Angels Betriu;

Prevalence by health areas of chronic kidney disease in the diabetic population of Extremadura in 2012, 2013 and 2014. An observational study Leandro Fernández-Fernández; Javier Goujat-Salas; Carmen Ceballos-Malagón; Manuel Tejero-Mas; Francisco Luis Pérez-Caballero; Francisco Buitrago-Ramírez;

Multicenter validation of the Kidney Failure Risk Equation (KFRE) formula in Spanish patients with advanced chronic kidney disease Beatriz Escamilla-Cabrera; Marco Montomoli; Maria Kislikova; Verónica de la Espada; Alazne Olarte-García; Ana María García-Prieto; Sara Piqueras-Sánchez; Álvaro Álvarez López; Lucía Rodríguez-Gayo; Javier Centellas-Pérez; Hilda Villafuerte; Pedro Barrera Baena;