PravastatinHydroxymethylglutaryl-CoA Reductase InhibitorsAnticholesteremic AgentsHeptanoic AcidsHypercholesterolemiaSimvastatinPyrrolesFrail ElderlyFosinoprilLovastatinCholesterol, LDLCholesterolAgingAge FactorsFluorobenzenesFatty Acids, MonounsaturatedHousing for the ElderlyTreatment OutcomeGeriatric AssessmentHealth Services for the AgedDouble-Blind MethodPhysiological ProcessesMevalonic AcidLipidsRisk FactorsOrganic Anion TransportersDrug InteractionsProspective Studies