Effects of drugs and stimulation on  45 Ca movements in frog ventricle.
D000109:Acetylcholine / Q000494:pharmacology*; D000818:Animals; D001001:Anura; D002127:Calcium Isotopes / Q000378:metabolism*; D004558:Electric Stimulation; D004837:Epinephrine / Q000494:pharmacology*; D006352:Heart Ventricles / Q000187:drug effects / Q000378:metabolism*; D008722:Methods; D009119:Muscle Contraction / Q000187:drug effects*; D010477:Perfusion; D011892:Rana catesbeiana
D002127:Calcium Isotopes; D000109:Acetylcholine; D004837:Epinephrine