Effect of calcium on the spontaneous activities of the oyster myocardium in sodium free solution.
D000200:Action Potentials; D000818:Animals; D002118:Calcium / Q000494:pharmacology*; D004558:Electric Stimulation; D006321:Heart / Q000187:drug effects / Q000502:physiology*; D008345:Manganese / Q000494:pharmacology; D008564:Membrane Potentials; D008974:Mollusca; D012758:Shellfish; D012964:Sodium / Q000494:pharmacology; D013779:Tetrodotoxin / Q000494:pharmacology
D008345:Manganese; D013779:Tetrodotoxin; D012964:Sodium; D002118:Calcium