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;

Secondary hyperoxaluria: Cause and consequence of chronic kidney disease Loreto Mariscal de Gante; Laura Salanova; Mariel Valdivia Mazeyra; Rosario Serrano Pardo; Borja Quiroga;

Cardiovascular risk assessment: Missing albuminuria contributing to gender inequality Patricia de Sequera; Javier Arias; Borja Quiroga; María Benavent; Fabio Procaccini; Iago Romero; Guillermo López; Javier Diez; Alberto Ortiz;