title: The affinity of the Ca2+ pump of human erythrocytes for external Na+ or K+.
mesh_terms: D002118:Calcium / Q000097:blood*; D004910:Erythrocyte Membrane / Q000378:metabolism*; D004912:Erythrocytes / Q000378:metabolism*; D006801:Humans; D007473:Ion Channels / Q000187:drug effects / Q000378:metabolism*; D011188:Potassium / Q000097:blood / Q000494:pharmacology*; D012964:Sodium / Q000097:blood / Q000494:pharmacology*
chemical_list: D007473:Ion Channels; D012964:Sodium; D011188:Potassium; D002118:Calcium