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;

World Kidney Day: an opportunity to make kidney health and Nephrology visible David Arroyo; Itziar Bueno Zamarbide; Patricia Muñoz Ramos; Esther Rodríguez Suárez; Maider Ustarroz Alegre; Marco Vaca; David Conejo Gómez; Marta Isabel San Juan; Emilio Sánchez Álvarez;

Importance of physical exercise prescription in patients with chronic kidney disease: results of the survey of the Grupo Español Multidisciplinar de Ejercicio Físico en el Enfermo Renal [Spanish Multidisciplinary Group of Physical Exercise in Kidney Patients] (GEMEFER) Florentino Villanego; David Arroyo; Víctor Martínez-Majolero; Sonsoles Hernández-Sánchez; Vicent Esteve-Simó;