title: Serum levels and urinary excretion of methylguanidine in chronic renal failure.
mesh_terms: D001806:Blood Urea Nitrogen; D002852:Chromatography, Ion Exchange; D003124:Colorimetry; D006146:Guanidines / Q000097:blood* / Q000652:urine*; D006801:Humans; D007676:Kidney Failure, Chronic / Q000097:blood* / Q000652:urine*; D008722:Methods; D014511:Uremia / Q000097:blood / Q000652:urine
chemical_list: D006146:Guanidines