[Sodium and potassium determination (flamephotometry and others)].
D002623:Chemistry Techniques, Analytical; D004566:Electrodes; D004573:Electrolytes; D006801:Humans; D008832:Microchemistry; D010783:Photometry; D011188:Potassium / Q000097:blood*; D012964:Sodium / Q000097:blood*; D013053:Spectrophotometry
D004573:Electrolytes; D012964:Sodium; D011188:Potassium