title: Existence and role of a slow inward current during the frog atrial action potential.
mesh_terms: D000200:Action Potentials; D000818:Animals; D001001:Anura; D002118:Calcium / Q000378:metabolism; D003864:Depression, Chemical; D004492:Edetic Acid / Q000494:pharmacology; D006321:Heart / Q000187:drug effects / Q000502:physiology*; D006325:Heart Atria; D006982:Hypertonic Solutions; D066298:In Vitro Techniques; D008345:Manganese / Q000494:pharmacology; D012964:Sodium / Q000378:metabolism; D013779:Tetrodotoxin / Q000494:pharmacology*
chemical_list: D006982:Hypertonic Solutions; D008345:Manganese; D013779:Tetrodotoxin; D004492:Edetic Acid; D012964:Sodium; D002118:Calcium