title: Direct photometric analysis of serum calcium with glyoxal bis (2-hydroxyanil).
mesh_terms: D000627:Aminophenols; D002118:Calcium / Q000097:blood*; D006801:Humans; D007202:Indicators and Reagents; D010783:Photometry; D013056:Spectrophotometry, Ultraviolet
chemical_list: D000627:Aminophenols; D007202:Indicators and Reagents; D002118:Calcium