title: Improved method for determination of "true" creatinine.
mesh_terms: D000328:Adult; D003404:Creatinine / Q000097:blood* / Q000652:urine; D005260:Female; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged; D012016:Reference Values
chemical_list: D003404:Creatinine