title: Australia antigen AU(1) in school children in Ibadan, Nigeria.
mesh_terms: D000017:ABO Blood-Group System; D000293:Adolescent; D000328:Adult; D000906:Antibodies / Q000032:analysis; D002353:Carrier State; D002648:Child; D002675:Child, Preschool; D005260:Female; D006511:Hepatitis B Antigens / Q000032:analysis*; D006801:Humans; D008297:Male; D009549:Nigeria; D012737:Sex Factors
chemical_list: D000017:ABO Blood-Group System; D000906:Antibodies; D006511:Hepatitis B Antigens