title: [Significance of Australia antigen and antibody in protraction of acute hepatitis].
mesh_terms: D000208:Acute Disease; D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D005260:Female; D006506:Hepatitis A / Q000276:immunology*; D006510:Hepatitis B Antibodies / Q000032:analysis; D006511:Hepatitis B Antigens; D006801:Humans; D007106:Immune Sera; D008297:Male; D008875:Middle Aged
chemical_list: D006510:Hepatitis B Antibodies; D006511:Hepatitis B Antigens; D007106:Immune Sera