title: Relation of protraction of acute viral hepatitis to Australia antigen.
mesh_terms: D000208:Acute Disease; D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D000914:Antibodies, Viral; D000917:Antibody Formation; D000956:Antigens, Viral; D002648:Child; D002908:Chronic Disease; D005260:Female; D006506:Hepatitis A / Q000276:immunology*; D006509:Hepatitis B / Q000276:immunology; D006511:Hepatitis B Antigens / Q000302:isolation & purification*; D006801:Humans; D008297:Male; D008875:Middle Aged; D012737:Sex Factors; D013997:Time Factors; D065227:Transfusion Reaction
chemical_list: D000914:Antibodies, Viral; D000956:Antigens, Viral; D006511:Hepatitis B Antigens