sera from 391 southern african blacks with hepatocellular carcinoma , matched controls , patients with other malignant tumours , and with various forms of hepatobiliary disease were fractionated by polyacrylamide gradient gel electrophoresis to determine the prevalence of tumour-associated gamma-glutamyl transferase isoenzymes in black patients with hepatocellular carcinoma .
C0006826
malignant tumours
C0027651
tumour