title: Inward calcium current in twitch muscle fibres of the frog [proceedings].
mesh_terms: D000818:Animals; D002118:Calcium / Q000502:physiology*; D066298:In Vitro Techniques; D008564:Membrane Potentials; D009132:Muscles / Q000502:physiology*; D012964:Sodium / Q000502:physiology
chemical_list: D012964:Sodium; D002118:Calcium