RestOxonic AcidDrug Administration ScheduleTegafurBed RestInfusions, IntravenousDrug EvaluationLeucovorinAntimetabolites, AntineoplasticFluorouracilTreatment OutcomeCamptothecinAntineoplastic Combined Chemotherapy ProtocolsDrug CombinationsMaximum Tolerated DoseDeoxycytidineAdministration, OralAntineoplastic Agents, PhytogenicSurvival AnalysisAntineoplastic AgentsCisplatinNeoplasmsDose-Response Relationship, DrugPhysical ExertionExerciseExercise TestHead-Down TiltWeightlessness SimulationAdrenal Rest TumorHeart RateWeightlessness CountermeasuresMuscle, SkeletalOxygen ConsumptionTime FactorsBlood PressureCardiovascular DeconditioningHemodynamicsTomography, Emission-Computed, Single-PhotonTechnetium Tc 99m SestamibiRegional Blood FlowCoronary CirculationHeartSpace FlightLegPhysical EnduranceCardiac OutputRepressor ProteinsMyocardial Perfusion ImagingBicyclingPulmonary Gas ExchangeDobutamineMuscle ContractionSupine PositionStroke VolumeRespirationBlood Flow VelocityGravity, AlteredDipyridamoleLower Body Negative PressureOxygenThallium RadioisotopesLactic AcidGated Blood-Pool ImagingWeightlessnessEchocardiography, StressHyperemiaPostureOrthostatic IntoleranceElectrocardiographyVentricular Function, LeftVascular ResistanceSympathetic Nervous SystemCarbon DioxidePhysical Conditioning, AnimalExercise ToleranceAnalysis of VarianceElectromyographyNitrogen RadioisotopesReference ValuesOrganotechnetium CompoundsMagnetic Resonance ImagingCoronary DiseaseEnergy MetabolismIsometric ContractionBaroreflexTomography, Emission-ComputedReproducibility of ResultsEchocardiographyForearmRadiopharmaceuticalsAutonomic Nervous SystemWeight LiftingEpinephrineVentricular Dysfunction, LeftVasodilator AgentsAdaptation, PhysiologicalRubidium RadioisotopesProspective StudiesElectric StimulationRespiratory Mechanics