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;

Increased serum phosphate concentration within the normal reference levels is associated with all-cause mortality in non-dialysis CKD patients: A five-year prospective cohort study Ana Cerqueira; Janete Quelhas-Santos; Núria Paulo; Claúdia Camila Dias; Manuel Pestana;