The influence of the extracellular potassium concentration on the glycoside effects upon contractile force and action potential duration of the guinea- pig papillary muscle.
D000200:Action Potentials / Q000187:drug effects; D000818:Animals; D004558:Electric Stimulation; D004594:Electrophysiology; D006168:Guinea Pigs; D066298:In Vitro Techniques; D009119:Muscle Contraction / Q000187:drug effects*; D010042:Ouabain / Q000494:pharmacology*; D010210:Papillary Muscles / Q000187:drug effects*; D011188:Potassium / Q000494:pharmacology*
D010042:Ouabain; D011188:Potassium