title: Determination of potassium ion concentration in serum using a highly selective liquid-membrane electrode.
mesh_terms: D000900:Anti-Bacterial Agents; D004566:Electrodes; D006801:Humans; D008722:Methods; D010783:Photometry; D011188:Potassium / Q000097:blood*; D011199:Potentiometry; D013057:Spectrum Analysis
chemical_list: D000900:Anti-Bacterial Agents; D011188:Potassium