Early changes in IL-21, IL-22, CCL2, and CCL4 serum cytokines after outpatient autologous transplantation for multiple sclerosis: A proof of concept study. - Jaime-Pérez JC; Turrubiates-Hernández GA; López-Silva LJ; Salazar-Riojas R; Gómez-Almaguer D (Clinical transplantation, 2020)