title: The effect of intracellular potassium ions on active sodium efflux in frog sartorius muscle.
mesh_terms: D000818:Animals; D001001:Anura; D001693:Biological Transport, Active / Q000187:drug effects; D009132:Muscles / Q000187:drug effects / Q000378:metabolism; D011188:Potassium / Q000494:pharmacology*; D011896:Rana temporaria; D012964:Sodium / Q000378:metabolism*
chemical_list: D012964:Sodium; D011188:Potassium