title: Letter: Evidence for two sodium sites on the external aspect of Na-K pump in human erythrocytes.
mesh_terms: D001665:Binding Sites; D001693:Biological Transport, Active; D004912:Erythrocytes / Q000378:metabolism*; D006801:Humans; D010042:Ouabain / Q000378:metabolism; D011188:Potassium / Q000378:metabolism; D012964:Sodium / Q000378:metabolism*
chemical_list: D010042:Ouabain; D012964:Sodium; D011188:Potassium