USE OF S-[2,3-BISPALMITOYILOXY-(2R)-PROPYL]-R-CYSTEINYL-AMIDO-MONOMETHOXY POLYETHYLENE GLYCOL AS AN ADJUVANT IMPROVED PROTECTIVE IMMUNITY ASSOCIATED WITH A DNA VACCINE ENCODING CU, ZN SUPEROXIDE DISMUTASE OF BRUCELLA ABORTUS IN MICE Artículo académico