Colorimetric vs enzymatic determination of serum phosphorus.
D006801:Humans; D010758:Phosphorus / Q000097:blood*; D011683:Purine-Nucleoside Phosphorylase; D013056:Spectrophotometry, Ultraviolet; D014969:Xanthine Oxidase
D010758:Phosphorus; D014969:Xanthine Oxidase; D011683:Purine-Nucleoside Phosphorylase