title: Relative constancy of urinary creatinine and urochrome.
mesh_terms: D003404:Creatinine / Q000652:urine*; D005260:Female; D006801:Humans; D008297:Male; D010860:Pigments, Biological / Q000652:urine*; D013997:Time Factors
chemical_list: D010860:Pigments, Biological; D003404:Creatinine