Jejunoileal BypassHyperlipidemiasCholesterolCholesterol, DietaryCholesterol, HDLCholesterol, LDLDietary FatsCholesterol EstersFatsCholesterol OxidaseCholesterol 7-alpha-HydroxylaseLipidsTriglyceridesLipoproteinsCholesterol, VLDLHypercholesterolemiaAnticholesteremic AgentsSterol O-AcyltransferaseLipoproteins, HDLSterolsHydroxymethylglutaryl CoA ReductasesApolipoprotein A-IBile Acids and SaltsLipid MetabolismLiverFat Body