SitosterolsPhytosterolsStigmasterolCholestanolSterolsXanthomatosisCholesterolDesmosterolCholestanesAbsorptionIntestinal AbsorptionLymphatic SystemBileSqualeneLipid Metabolism, Inborn ErrorsBile Acids and SaltsMargarineEstersThoracic DuctEsterificationSterol O-AcyltransferaseAzetidinesCholesterol, DietaryATP-Binding Cassette TransportersLipoproteinsHypercholesterolemiaChromatography, GasAnticholesteremic AgentsCyclodextrinsMicelles