Simultaneous Chiral Separation of Polychlorinated Biphenyls and Their Methyl Sulfone Metabolites by Heart-Cut MDGC. Determination of Enantiomeric Fractions in Fish Oils and Cow Liver Samples Publication Attachment: 4806.pdf Authors: Perez-Fernandez V, Castro-Puyana M, Marina ML, Gonzalez MJ, Gomara B Year: 2011