The importance of liver biopsy in middle and old age.
D000328:Adult; D000368:Aged; D001706:Biopsy; D006801:Humans; D008107:Liver Diseases / Q000175:diagnosis* / Q000453:epidemiology*; D008113:Liver Neoplasms / Q000175:diagnosis* / Q000453:epidemiology*; D008875:Middle Aged