title: [A colorimetric method for determination of guanase activity in serum based on superoxide anion with elimination of interference by endogenous xanthine].
mesh_terms: D000328:Adult; D000619:Aminohydrolases / Q000097:blood*; D000838:Anions; D003124:Colorimetry; D005260:Female; D006148:Guanine Deaminase / Q000097:blood*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010084:Oxidation-Reduction; D013481:Superoxides / Q000494:pharmacology*; D014970:Xanthines / Q000097:blood*
chemical_list: D000838:Anions; D014970:Xanthines; D013481:Superoxides; D000619:Aminohydrolases; D006148:Guanine Deaminase