title: Preservation of gamma-glutamyl transpeptidase activity in human urine.
mesh_terms: D000328:Adult; D000368:Aged; D002118:Calcium / Q000652:urine; D002648:Child; D002675:Child, Preschool; D002712:Chlorides / Q000652:urine; D003404:Creatinine / Q000652:urine; D003956:Dialysis; D004121:Dimethyl Sulfoxide; D004355:Drug Stability; D005069:Evaluation Studies as Topic; D005260:Female; D005615:Freezing; D005990:Glycerol; D006801:Humans; D007700:Kinetics; D008297:Male; D008722:Methods; D008875:Middle Aged; D009994:Osmolar Concentration; D010710:Phosphates / Q000652:urine; D011188:Potassium / Q000652:urine; D012964:Sodium / Q000652:urine; D012965:Sodium Chloride; D013048:Specimen Handling; D013997:Time Factors; D014508:Urea / Q000652:urine; D005723:gamma-Glutamyltransferase / Q000652:urine*
chemical_list: D002712:Chlorides; D010710:Phosphates; D012965:Sodium Chloride; D014508:Urea; D012964:Sodium; D003404:Creatinine; D005723:gamma-Glutamyltransferase; D005990:Glycerol; D011188:Potassium; D002118:Calcium; D004121:Dimethyl Sulfoxide