Renal potassium management in chronic kidney disease: Differences between patients with or without hyperkalemia Fernando Caravaca-Fontán; Julian Valladares; Rosa Díaz-Campillejo; Sergio Barroso; Enrique Luna; Francisco Caravaca;

Secondary hyperoxaluria: Cause and consequence of chronic kidney disease Loreto Mariscal de Gante; Laura Salanova; Mariel Valdivia Mazeyra; Rosario Serrano Pardo; Borja Quiroga;

Cardiovascular risk assessment: Missing albuminuria contributing to gender inequality Patricia de Sequera; Javier Arias; Borja Quiroga; María Benavent; Fabio Procaccini; Iago Romero; Guillermo López; Javier Diez; Alberto Ortiz;