Meininger, M., Stepath, M., Hennig, R., Cajic, S., Rapp, E., Rotering, H., Wolff, M. W., & Reichl, U. (2016). Sialic acid-specific affinity chromatography for the separation of erythropoietin glycoforms using serotonin as a ligand. Journal of Chromatography B: Analytical Technologies in the Biomedical and Life Sciences, 1012-1013, 193-203. doi:10.1016/j.jchromb.2016.01.005.