CaffeineCentral Nervous System StimulantsTheobromineCoffeeCalciumRyanodineCytochrome P-450 CYP1A2ProcaineTime FactorsKineticsPhosphodiesterase InhibitorsChromatography, High Pressure LiquidDose-Response Relationship, DrugMolecular Sequence DataRabbitsSarcoplasmic ReticulumBeveragesRyanodine Receptor Calcium Release ChannelReceptor, Adenosine A2AMuscle ContractionMolecular WeightCells, CulturedChromatography, Thin LayerCell LineElectrophoresis, Polyacrylamide GelAdenosine A2 Receptor AntagonistsReceptor, Adenosine A1Hydrogen-Ion ConcentrationEphedrineCattleLiverChromatography, GasPaulliniaBase SequenceDrinking BehaviorMalignant HyperthermiaAmino Acid SequenceMutationTemperaturePurinergic P1 Receptor AntagonistsRNA, MessengerRats, Inbred StrainsMicroscopy, ElectronMusclesMembrane PotentialsAdenosine A1 Receptor AntagonistsReceptors, Adenosine A2TetracaineCross-Over StudiesDrug InteractionsDouble-Blind MethodEscherichia coliGuinea PigsAmino AcidsTritiumDNAChromatographyChromatography, GelCulture MediaCell Membrane