DigoxinInjectionsDigitoxinCardenolidesCardiotonic AgentsCardiac GlycosidesInjections, IntravenousInjections, IntramuscularMedigoxinEleutherococcusInjections, IntralesionalInjections, SubcutaneousInjections, Intra-ArticularDrug InteractionsInjections, IntraperitonealDigitalis GlycosidesAnti-Arrhythmia AgentsNeriumRadioimmunoassayOuabainTime FactorsInjections, IntradermalInjections, EpiduralInjections, IntraventricularP-GlycoproteinInjections, Intra-Arterial