title: Incidence of hepatitis B antigen and antibody among Canadian volunteer blood donors.
mesh_terms: D000293:Adolescent; D000328:Adult; D000906:Antibodies / Q000032:analysis*; D001782:Blood Donors; D002170:Canada; D005260:Female; D006801:Humans; D008297:Male; D012737:Sex Factors
chemical_list: D000906:Antibodies