title: Continuous-recording flame photometry of sodium and potassium in serum.
mesh_terms: D001322:Autoanalysis / Q000295:instrumentation; D006801:Humans; D008722:Methods; D010783:Photometry / Q000295:instrumentation; D011188:Potassium / Q000097:blood*; D012964:Sodium / Q000097:blood*
chemical_list: D012964:Sodium; D011188:Potassium