title: HLA-B27 related arthropathies in Hopi and Navajo Indians.
mesh_terms: D001130:Arizona; D001168:Arthritis / Q000276:immunology*; D016918:Arthritis, Reactive / Q000276:immunology; D005260:Female; D005787:Gene Frequency; D006680:HLA Antigens / Q000235:genetics*; D015235:HLA-B Antigens; D006801:Humans; D007198:Indians, North American; D008297:Male; D012446:Sacroiliac Joint; D013167:Spondylitis, Ankylosing / Q000276:immunology
chemical_list: D006680:HLA Antigens; D015235:HLA-B Antigens