title: Hepatitis B antigen (HBAg) in the Republic of Ireland: distribution of ad and ay subtypes.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D001782:Blood Donors; D002353:Carrier State / Q000276:immunology; D002648:Child; D000939:Epitopes; D005260:Female; D006509:Hepatitis B / Q000276:immunology; D006511:Hepatitis B Antigens / Q000302:isolation & purification*; D006801:Humans; D007106:Immune Sera; D005779:Immunodiffusion; D007494:Ireland; D008297:Male; D008875:Middle Aged; D019966:Substance-Related Disorders / Q000276:immunology
chemical_list: D000939:Epitopes; D006511:Hepatitis B Antigens; D007106:Immune Sera