the diagnostic contribution of some examination methods was evaluated ( laparoscopy with the aimed liver biopsy in 50 % of the cases , isotopic methods in 34.6 % of cases , roentgenologic methods in 36.0 % of cases , detection of alpha-1 fetoprotein in serum in 55.5 % of cases ) .
C0023884
liver
C0002210
alpha-1 fetoprotein