Caffeine contractures in depolarized heart muscle.
D000818:Animals; D002024:Bufo marinus; D002110:Caffeine / Q000494:pharmacology*; D002118:Calcium / Q000378:metabolism; D002127:Calcium Isotopes; D002462:Cell Membrane / Q000187:drug effects; D003080:Cold Temperature; D004357:Drug Synergism; D004492:Edetic Acid / Q000494:pharmacology; D006321:Heart / Q000187:drug effects*; D006352:Heart Ventricles / Q000378:metabolism; D007093:Imidazoles / Q000494:pharmacology; D066298:In Vitro Techniques; D009132:Muscles / Q000187:drug effects* / Q000378:metabolism; D013997:Time Factors
D002127:Calcium Isotopes; D007093:Imidazoles; D002110:Caffeine; D004492:Edetic Acid; D002118:Calcium