Letter to the editor: Inhibition of calcium induced systolic contracture of the perfused frog's heart by phenoxybenzamine.
D000818:Animals; D001001:Anura; D002122:Calcium Chloride / Q000037:antagonists & inhibitors*; D009200:Myocardial Contraction / Q000187:drug effects*; D010477:Perfusion; D010643:Phenoxybenzamine / Q000494:pharmacology*
D010643:Phenoxybenzamine; D002122:Calcium Chloride