title: Chronic carriage of Australia antigen.
mesh_terms: D000328:Adult; D000936:Antigen-Antibody Complex; D002353:Carrier State / Q000276:immunology; D002908:Chronic Disease; D003168:Complement Fixation Tests; D003428:Cross Infection / Q000276:immunology; D006506:Hepatitis A / Q000276:immunology*; D006511:Hepatitis B Antigens; D006515:Hepatitis B virus / Q000302:isolation & purification*; D006801:Humans; D008297:Male; D008875:Middle Aged
chemical_list: D000936:Antigen-Antibody Complex; D006511:Hepatitis B Antigens