Ionic radius specificity of cardiac muscle.
D000818:Animals; D002024:Bufo marinus / Q000502:physiology; D004492:Edetic Acid / Q000494:pharmacology; D004533:Egtazic Acid / Q000494:pharmacology; D004558:Electric Stimulation; D006325:Heart Atria / Q000187:drug effects; D007811:Lanthanum / Q000494:pharmacology*; D009200:Myocardial Contraction / Q000187:drug effects*
D004533:Egtazic Acid; D007811:Lanthanum; D004492:Edetic Acid