title: Letter: Leucocyte electrolytes in cardiac patients.
mesh_terms: D001693:Biological Transport, Active / Q000187:drug effects; D004077:Digoxin / Q000494:pharmacology / Q000627:therapeutic use; D006331:Heart Diseases / Q000097:blood* / Q000188:drug therapy; D006801:Humans; D007008:Hypokalemia / Q000097:blood; D007962:Leukocytes / Q000378:metabolism*; D009206:Myocardium / Q000378:metabolism; D011188:Potassium / Q000097:blood* / Q000378:metabolism; D012964:Sodium / Q000097:blood* / Q000378:metabolism
chemical_list: D004077:Digoxin; D012964:Sodium; D011188:Potassium