MargarineButterSitosterolsHydrogenationPhytosterolsPlant OilsDietary FatsSoybean OilDrug IndustryEstersFatty Acids, UnsaturatedEggsFats, UnsaturatedFood-Processing IndustryFatty AcidsCross-Over StudiesAnticholesteremic AgentsLinolenic AcidsDiet, Fat-RestrictedFlame IonizationFood TechnologyHypercholesterolemia