Double-Blind MethodDrug Administration ScheduleTreatment OutcomeActivities of Daily LivingAdministration, OralDrug Therapy, CombinationDose-Response Relationship, DrugPlacebosOmeprazoleCross-Over StudiesAspirinTime FactorsAnti-Ulcer AgentsThalidomideSimvastatinPyrimidinesClinical Trials as TopicProspective StudiesPiperazinesDrug InteractionsPyrrolesPrednisoloneAnticholesteremic AgentsFollow-Up StudiesBenzamidesRandom AllocationLabetalolHeptanoic AcidsPlatelet Aggregation Inhibitors2-PyridinylmethylsulfinylbenzimidazolesRecurrenceProtriptylineBenzimidazolesHydroxymethylglutaryl-CoA Reductase InhibitorsFluorobenzenesQuinazolinesBendroflumethiazideSingle-Blind MethodPhenylbutazoneBlood PressureAntineoplastic AgentsArea Under CurveTiclopidineTriazolesAnti-Inflammatory Agents, Non-SteroidalDrug EvaluationSodium Chloride Symporter InhibitorsAntineoplastic Combined Chemotherapy ProtocolsApazoneCimetidineDuodenal UlcerSulfonamidesAntihypertensive AgentsHypertensionNitrilesAnti-Inflammatory AgentsDelayed-Action PreparationsPilot ProjectsAtenololMaximum Tolerated DoseTribulusKetoconazoleDisease-Free SurvivalAlendronateEnalaprilSpironolactoneThiophenesDietary SupplementsPostmenopausePatient ComplianceTreatment FailureBody WeightMetoprololHydrochlorothiazideAngiotensin-Converting Enzyme InhibitorsSeverity of Illness IndexLansoprazoleDrug CombinationsIndolesRanitidineEstrogens, Conjugated (USP)PyridinesHalf-LifeSulfoxidesNorethindroneBudesonideGastric AcidHypercholesterolemiaAzetidinesCholesterol, LDLEsophagitisQuinolinesCeliprololHypokalemiaPlatelet Function TestsNorpregnenesEtidronic AcidPurinergic P2Y Receptor AntagonistsPiracetamProtein Kinase Inhibitors