Hyporesponsiveness or resistance to the action of parathyroid hormone in chronic kidney disease Jordi Bover; Carolt Arana; Pablo Ureña; Armando Torres; Alejandro Martín-Malo; Leonor Fayos; Verónica Coll; María Jesús Lloret; Jackson Ochoa; Yolanda Almadén; Lluis Guirado; Mariano Rodríguez;

The `Phosphorus Week¿: involvement of Spanish nephrologists in the control of phosphorus blood levels Emilio Sánchez Álvarez; Marc Xipell; Anna Gallardo; Elena Astudillo; Jose-Vicente Torregrosa;

Silver jubilee: 25 years of the first demonstration of the direct effect of phosphate on the parathyroid cell Jordi Bover; Pedro Trinidad; Aquiles Jara; Jordi Soler-Majoral; Alejandro Martín-Malo; Armando Torres; João Frazão; Pablo Ureña; Adriana Dusso; Carolt Arana; Fredzzia Graterol; Gregorio Romero-González; Maribel Troya; Diana Samaniego; Luis D¿Marco; José Manuel Valdivielso; Elvira Fernández; María Dolores Arenas; Vicente Torregrosa; Juan F. Navarro-González; María Jesús Lloret; J.A. Ballarín; Ricardo J Bosch; José L. Górriz; AGL de Francisco; Orlando Gutiérrez; Jordi Ara; Arnold Felsenfeld; Antonio Canalejo; Yolanda Almadén;