Urine beyond electrolytes: diagnosis through extracellular vesicles Miriam Anfaiha-Sanchez; Nerea Lago-Baameiro; Aranzazu Santiago-Hernandez; Ariadna Martin-Blazquez; María Pardo; Martin-Lorenzo Marta; Gloria Alvarez-Llamas;

IgA vasculitis with nephritis (Henoch-Schönlein purpura) after COVID-19: A case series and review of the literature Irene Oñate; Milagros Ortiz; Andrea Suso; Carmen Mon; Karen Galindo; Carolina Lentisco; Rosa Camacho; María Sánchez; Aniana Oliet; Olimpia Ortega; Juan C. Herrero; José A. Cortés; Alejandro Pascual;