A direct assay of glutathione peroxidase activity using high perfomance capillary electrophoresis /1992/Pascual P, Martínez-Lara E, Bárcena JA, López-Barea J, Toribio F. J Chromatogr Biomed Appl. 1992;581(1):49-56. https://doi.org/10.1016/0378-4347(92)80446-W