A comparative study of melatonin and immunomodulatory therapy with interferon beta and glatiramer acetate in a mouse model of multiple sclerosis E.J. Ramos González; L.J. Ramirez Jirano; D.Z. García Martínez; G.G. Ortiz; L.F. Jave Suárez; C.A. Leal Cortes; O.K. Bitzer Quintero;