The determination of sodium, potassium and lithium concentrations in erythrocytes.
D004912:Erythrocytes / Q000032:analysis*; D006801:Humans; D008094:Lithium / Q000097:blood*; D008722:Methods; D010949:Plasma / Q000032:analysis; D011188:Potassium / Q000097:blood*; D012964:Sodium / Q000097:blood*
D008094:Lithium; D012964:Sodium; D011188:Potassium