in a group of 29 patients with mechanical icterus and a control group of 38 patients ( acute , chronic hepatitis and hyperbilirubinemia ) there have been followed up alkaline phosphatase , leucinaminopeptidase and gammaglutamil transpeptidase activities aiming to evaluate the value of gamma gt in differentiation of icterus of various etiology .
C0020433
hyperbilirubinemia
C0022346
icterus