Epidemiological changes in anti-glomerular basement membrane disease in Madrid in the context of the COVID-19 pandemic - Leon-Machado, Lina; Sierra-Torres, Gonzalo; Shabaka, Amir; Cases-Corona, Clara; Vega, Cristina; Rivas, Begona; Ruiz Cabrera, Diana; Fernandez-Juarez, Gema (Frontiers In Nephrology, 2025)