Letter: Diagnosis of renal tumor by gamma-glutamyl-transpeptidase.
D003937:Diagnosis, Differential; D006801:Humans; D007668:Kidney / Q000201:enzymology; D007680:Kidney Neoplasms / Q000201:enzymology* / Q000652:urine; D005723:gamma-Glutamyltransferase / Q000652:urine*
D005723:gamma-Glutamyltransferase