Frequence potentiation and paired stimulation potentiation of cat papillary muscles in calcium and in strontium containing media.
D000818:Animals; D002118:Calcium / Q000494:pharmacology*; D002415:Cats; D004594:Electrophysiology; D009119:Muscle Contraction / Q000187:drug effects*; D010210:Papillary Muscles / Q000502:physiology*; D013324:Strontium / Q000494:pharmacology*
D002118:Calcium; D013324:Strontium