title: Arthritis and HLA-B27 in Papua New Guinea.
mesh_terms: D000293:Adolescent; D000328:Adult; D001168:Arthritis / Q000276:immunology*; D016918:Arthritis, Reactive / Q000453:epidemiology / Q000276:immunology; D002648:Child; D006680:HLA Antigens / Q000276:immunology*; D015796:HLA-B27 Antigen; D006801:Humans; D008875:Middle Aged; D010219:Papua New Guinea
chemical_list: D006680:HLA Antigens; D015796:HLA-B27 Antigen