thus , it can be concluded that the lower prevalence rate of active hbv infection in hcc patients in the u.s.a. is the result of statistical dilution of hcc-b-viral disease by the large numbers of the alcoholic cirrhotic patients with hcc , and that if chronic active hepatitis type b were as common in the united states as it is in africa and asia , the frequency of occurrence of hcc might also be as high .
C0006448
by
C0001737
africa