title: A method for the determination of sodium, potassium, magnesium and lithium concentrations in erythrocytes.
mesh_terms: D001774:Blood Chemical Analysis / Q000295:instrumentation; D003035:Cobalt; D004492:Edetic Acid; D004912:Erythrocytes / Q000032:analysis*; D005069:Evaluation Studies as Topic; D006400:Hematocrit; D006801:Humans; D008094:Lithium / Q000097:blood*; D008274:Magnesium / Q000097:blood*; D008297:Male; D008722:Methods; D010783:Photometry; D011188:Potassium / Q000097:blood*; D012964:Sodium / Q000097:blood*; D013053:Spectrophotometry; D013997:Time Factors
chemical_list: D003035:Cobalt; D008094:Lithium; D004492:Edetic Acid; D012964:Sodium; D008274:Magnesium; D011188:Potassium