CaffeineEthanolDose-Response Relationship, DrugCentral Nervous System DepressantsTime FactorsDouble-Blind MethodAdrenal Cortex HormonesDose-Response Relationship, RadiationRadiation DosageAdministration, InhalationAlcohol DrinkingDrug Administration ScheduleMotor ActivityBehavior, AnimalAnalysis of VarianceTreatment OutcomeCentral Nervous System StimulantsRats, Sprague-DawleyDrug Therapy, CombinationTheobromineCoffeeBlood PressureMice, Inbred C57BLRyanodineCalciumCytochrome P-450 CYP1A2ProcaineAdministration, OralPhosphodiesterase InhibitorsLethal Dose 50Drug InteractionsBeveragesSarcoplasmic ReticulumReceptor, Adenosine A2ARyanodine Receptor Calcium Release ChannelMuscle ContractionEphedrineAdenosine A2 Receptor AntagonistsReceptor, Adenosine A1RadiometryDrinking BehaviorArea Under CurvePaulliniaSeverity of Illness IndexProspective StudiesPurinergic P1 Receptor AntagonistsRats, WistarMalignant HyperthermiaInjections, IntravenousCross-Over StudiesHalf-LifeAdenosine A1 Receptor AntagonistsReceptors, Adenosine A2TetracaineInfusions, IntravenousDrug CombinationsDrug ToleranceDose FractionationApneaRabbitsRadiotherapy DosageKineticsPregnancyMembrane Potentials