Recommendations of the Spanish Society of Nephrology for the management of mineral and bone metabolism disorders in patients with chronic kidney disease: 2021 (SEN-MM) José-Vicente Torregrosa; Jordi Bover; Mariano Rodríguez Portillo; Emilio González Parra; María Dolores Arenas; Francisco Caravaca; María-Luisa González Casaus; Alejandro Martín-Malo; Juan Francisco Navarro-González; Víctor Lorenzo; Pablo Molina; Minerva Rodríguez; Jorge Cannata Andia;

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;

Risk factors for progression in patients with KDOQI stage 3 Chronic Kidney Disease (PROGRESER study) Alberto Martínez-Castelao; José Luis Górriz Teruel; Luis D¿Marco; Enrique Garrigós; Gema Fernández-Fresnedo; Eugenia Espinel Garuz; Secundino Cigarrán Guldris; Jesús Arteaga Coloma; Nicolas Roberto Robles Pérez-Monteoliva; José Rafael Esteban de la Rosa; Luis Javier Nieto Iglesias; Alberto Ortiz Arduán; Juan Francisco Navarro-González;