title: Errors in determination of potassium in physiological fluids with valinomycin electrodes.
mesh_terms: D004566:Electrodes; D006801:Humans; D011188:Potassium / Q000032:analysis* / Q000097:blood / Q000652:urine; D014634:Valinomycin
chemical_list: D014634:Valinomycin; D011188:Potassium