ClimateClimate ChangeGreenhouse EffectAtlantic OceanModels, TheoreticalRainSeasonsEcosystemBlood CirculationExtracorporeal CirculationPulmonary CirculationCollateral CirculationEnterohepatic CirculationCerebrovascular CirculationCoronary CirculationPlacental CirculationTime FactorsSplanchnic CirculationBlood Circulation TimeLiver CirculationModels, BiologicalRegional Blood FlowBlood Flow VelocityComputer SimulationHemodynamicsBlood PressureAlgorithmsKineticsVascular ResistanceReproducibility of ResultsDogsPregnancyLiverTreatment OutcomeMetabolic Clearance RateHalf-LifeCross CirculationSensitivity and SpecificityProspective StudiesAssisted CirculationInjections, IntravenousModels, StatisticalAnalysis of VarianceDose-Response Relationship, DrugRenal CirculationOxygenHeart ArrestHeart RateRats, WistarDisease Models, AnimalRats, Sprague-DawleySwinePulmonary ArteryTissue DistributionLungCardiopulmonary ResuscitationReference ValuesPredictive Value of TestsBiological MarkersPlacentaRabbitsModels, CardiovascularRetrospective StudiesLaser-Doppler FlowmetryMicrocirculationMaternal-Fetal ExchangeBrainCardiac OutputArteriesPerfusionSheepArea Under CurveFetusVeinsVasodilationBody WeightTemperatureErythrocytesMagnetic Resonance ImagingBlood VolumeCarbon DioxidePulsatile FlowKidneyPrognosisFollow-Up StudiesVasoconstrictionVasodilator AgentsCerebral ArteriesMathematicsOxygen ConsumptionHeartImage Processing, Computer-AssistedNitric OxideCrystallizationVertebrobasilar InsufficiencyMice, Inbred C57BLPolyethylene GlycolsCase-Control StudiesTomography, X-Ray ComputedHematocrit