title: HLA-DR antigens and rheumatoid arthritis in black South Africans: a study of ethnic groups.
authors.affiliation: Institute of Molecular Medicine, John Radcliffe Hospital, Oxford, United Kingdom.
authors.forename: K D
authors.initials: KD
authors.lastname: Pile
authors.forename: M
authors.initials: M
authors.lastname: Tikly
authors.forename: J I
authors.initials: JI
authors.lastname: Bell
authors.forename: B P
authors.initials: BP
authors.lastname: Wordsworth
mesh_terms: D000328:Adult; D000483:Alleles; D001172:Arthritis, Rheumatoid / Q000453:epidemiology / Q000235:genetics*; D004247:DNA / Q000235:genetics; D005006:Ethnicity / Q000235:genetics; D005260:Female; D005787:Gene Frequency / Q000235:genetics; D006684:HLA-DR Antigens / Q000235:genetics*; D006801:Humans; D008297:Male; D008875:Middle Aged; D013019:South Africa / Q000453:epidemiology / Q000208:ethnology
chemical_list: D006684:HLA-DR Antigens; D004247:DNA