[Studies on the role of serum alpha-1-antitrypsin on chronicity of viral hepatitis].
D002908:Chronic Disease; D006525:Hepatitis, Viral, Human / Q000097:blood*; D006801:Humans; D008107:Liver Diseases / Q000097:blood*; D010641:Phenotype; D014357:Trypsin / Q000097:blood; D000515:alpha 1-Antitrypsin / Q000097:blood*
D000515:alpha 1-Antitrypsin; D014357:Trypsin