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;

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;

Information and consensus document for the detection and management of chronic kidney disease Rafael García-Maset; Jordi Bover; Julián Segura de la Morena; Marian Goicoechea Diezhandino; Jesús Cebollada del Hoyo; Javier Escalada San Martin; Lorenzo Fácila Rubio; Javier Gamarra Ortiz; Jose A. García-Donaire; Lisardo García-Matarín; Sílvia Gràcia Garcia; María Isabel Gutiérrez Pérez; Julio Hernández Moreno; Pilar Mazón Ramos; Rosario Montañés Bermudez; Manuel Muñoz Torres; Pedro de Pablos-Velasco; Manuel Pérez-Maraver; Carmen Suárez Fernández; Salvador Tranche Iparraguirre; José Luis Górriz;