Jejunoileal BypassHyperlipidemiasAtherosclerosisLipidsArteriosclerosisLipid MetabolismLipid AApolipoproteins ELipid BilayersCarotid Artery DiseasesCholesterolDiet, AtherogenicLipid PeroxidationAortaAortic DiseasesCoronary Artery DiseaseCarotid ArteriesTunica IntimaTunica MediaLipoproteins, LDLPlaque, AtheroscleroticRisk FactorsLipid PeroxidesMice, KnockoutReceptors, LDLTriglycerides