title: [Measurement of magnesium in the human sera with xylidyl-blue I. I. The effect of phosphate ion].
mesh_terms: D001391:Azo Compounds; D003124:Colorimetry / Q000379:methods*; D004396:Coloring Agents; D006801:Humans; D007202:Indicators and Reagents; D007477:Ions; D008274:Magnesium / Q000097:blood*; D010710:Phosphates / Q000097:blood*
chemical_list: D001391:Azo Compounds; D004396:Coloring Agents; D007202:Indicators and Reagents; D007477:Ions; D010710:Phosphates; C040875:xylidyl blue I; D008274:Magnesium