Congenital porto-systemic shunt: An uncommon cause of membranoproliferative glomerulonephritis Carlos Santos-Alonso; Begoña Rivas; Cristina Vega-Cabrera; Carmen Busca Arenzana; Laura Yébenes Gregorio; Marina Alonso Riaño; Eugenia García Fernández; M. Auxiliadora Bajo Rubio;

COVID-19 incidence and outcomes in a home dialysis unit in Madrid (Spain) at the height of the pandemic María Maldonado; Marta Ossorio; Gloria del Peso; Carlos Santos-Alonso; Laura Álvarez; Rafael Sánchez-Villanueva; Begoña Rivas; Cristina Vega; Rafael Selgas; María A. Bajo;