Position on the management of occult infection by hepatitis B virus (OBI) and anti-HBc + in hemodialysis units Guillermina Barril Cuadrado; Ana Avellón Calvo; Elena Jiménez Vibora; Luisa García Buey; Rosa María Ruiz-Calero Cendrero; Antonio Cirugeda García; José Ibeas López; Cristina García Fernandez; Federico García García; Roberto Alcázar Arroyo;

Multidisciplinary nutritional consensus on assessment and nutritional dietary treatment in patients with chronic kidney disease and SARS-CoV-2 infection Almudena Pérez-Torres; Alberto Caverni Muñoz; Luis Miguel Lou Arnal; Alejandro Sanz Paris; Concepción Vidal Peracho; Juan La Torre Catalá; Rafael Sánchez Villanueva; Secundino Cigarrán Guldris; Filomeno Trocoli González; Ángel Nogueira Pérez; Ana Sanjurjo Amado; M. Elena González García; Guillermina Barril Cuadrado;