Renal involvement in primary Sjögren's syndrome: Beyond tubulointerstitial nephritis Óscar Porto Fuentes; Javier González Cepeda; Cristina Vega Cabrera; José Manuel Martín de Bustamante; Ángel Robles Marhuenda; Jorge Álvarez Troncoso; Elena Martínez Robles; Ana Noblejas Mozo; Juan José Ríos Blanco; Eugenia García Fernández; Clara Itzíar Soto Abánades;

Clinical Frailty Scale and Charlson Comorbidity Index as predictors of hospitalization and mortality risk after kidney transplant failure Rita Leal; Pedro Almiro e Castro; Rui Duarte; Ana Rita Silva; Maria Guedes Marques; Luís Rodrigues; Lídia Santos; Catarina Romãozinho; Helena Oliveira Sá; Arnaldo Figueiredo; Rui Alves;