Jejunoileal BypassHyperlipidemiasCholesterolCholesterol, DietaryCholesterol, HDLCholesterol, LDLCholesterol EstersCholesterol OxidaseCholesterol 7-alpha-HydroxylaseLipidsCholesterol, VLDLLipoproteinsTriglyceridesHypercholesterolemiaBiological TransportAnticholesteremic AgentsSterol O-AcyltransferaseLipoproteins, HDLSterolsLiverHydroxymethylglutaryl CoA ReductasesApolipoprotein A-IBile Acids and SaltsLipoproteins, LDLBile