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;

Cardiorenal unit in advanced cardiorenal disease: Clinical impact and reduction of hospital costs Eliecer Soriano Payá; Ismael Arco Adamuz; Ana María García Girón; Francisco José Bermúdez Jiménez; Elisa Berta Pereira Pérez; Laura Jordán Martínez; María Carmen Olvera-Porcel; Leticia García Mochón; Silvia López Fernández; María José Espigares Huete;

The multiple functions of insulin-like growth factor 1 in kidney disease Juan Miguel Díaz Tocados; Aurora Pérez Gómez; Juan Diego Domínguez Coral; José Manuel Valdivielso;