title: Measurement of ionized magnesium in biological fluids.
mesh_terms: D001391:Azo Compounds; D002413:Cations, Divalent; D004396:Coloring Agents; D003470:Culture Media / Q000032:analysis; D006863:Hydrogen-Ion Concentration; D008274:Magnesium / Q000032:analysis*; D009282:Naphthalenesulfonates; D013054:Spectrophotometry, Atomic; D013057:Spectrum Analysis
chemical_list: D001391:Azo Compounds; D002413:Cations, Divalent; D004396:Coloring Agents; D003470:Culture Media; D009282:Naphthalenesulfonates; C007618:Eriochrome Blue SE; D008274:Magnesium