Monoclonal gammopathy of renal significance: Early diagnosis is key Juana Alonso-Titos; María Dolores Martínez-Esteban; Verónica López; Myriam León; Guillermo Martin-Reyes; Pedro Ruiz-Esteban; Domingo Hernández;

Hemodiafiltration with endogenous reinfusion of the regenerated ultrafiltrate (HFR): towards a convective, diffusive, and adsorptive dialysis Pablo Molina; Marian Goicoechea; Emma Huarte; Francisco Maduell; Alejandro Valero; Alejandro Martín-Malo;

Long-term outcomes after AKI in hospitalized patients with COVID-19 Bernardo Marques da Silva; Joana Gameiro; Joana Lei Teixeira; Cláudia Costa; Carolina Branco; João Oliveira; João Bernardo; Filipe Marques; José Agapito Fonseca; José António Lopes;