Multicentric Castleman's disease in kidney transplant: A case report and literature review Carlos Santos-Alonso; Marco-Antonio Vaca Gallardo; Marta Ferreira Bermejo; María Ovidia López-Oliva; Sara Afonso Ramos; Elena González García; Juan Cristóbal Santacruz Mancheno; Eugenia García Fernández; Nerea Ibarra Soraluce; Carlos Jiménez Martín;

Tocilizumab in the treatment of active chronic humoral rejection resistant to standard therapy Betty Chamoun; Pablo Sánchez-Sancho; Irina B. Torres; Alejandra Gabaldon; Manel Perelló; Joana Sellarés; Francesc Moreso; Daniel Serón;

Status of SARS-CoV-2 infection in patients on renal replacement therapy. Report of the COVID-19 Registry of the Spanish Society of Nephrology (SEN) J. Emilio Sánchez-Álvarez; Miguel Pérez Fontán; Carlos Jiménez Martín; Miquel Blasco Pelícano; Carlos Jesús Cabezas Reina; Ángel M. Sevillano Prieto; Edoardo Melilli; Marta Crespo Barrios; Manuel Macía Heras; María Dolores del Pino y Pino;