title: Evidence for inward calcium current in the absence of external sodium in rat myocardium.
mesh_terms: D000200:Action Potentials; D000818:Animals; D001693:Biological Transport, Active; D002118:Calcium / Q000378:metabolism*; D002463:Cell Membrane Permeability; D009206:Myocardium / Q000378:metabolism*; D010210:Papillary Muscles / Q000378:metabolism; D011188:Potassium / Q000378:metabolism; D051381:Rats; D012964:Sodium / Q000378:metabolism*; D013045:Species Specificity
chemical_list: D012964:Sodium; D011188:Potassium; D002118:Calcium