Determination of calcium movements in heart ventricles of the frog.
D000818:Animals; D001001:Anura; D002118:Calcium / Q000378:metabolism*; D002127:Calcium Isotopes; D004558:Electric Stimulation; D006352:Heart Ventricles / Q000378:metabolism; D008722:Methods; D009043:Motor Activity; D009206:Myocardium / Q000378:metabolism*; D010477:Perfusion
D002127:Calcium Isotopes; D002118:Calcium