title: Clinical and HLA studies in multiple case families with rheumatoid arthritis.
mesh_terms: D001172:Arthritis, Rheumatoid / Q000235:genetics* / Q000276:immunology; D005260:Female; D006680:HLA Antigens / Q000235:genetics* / Q000276:immunology; D006650:Histocompatibility Testing; D006801:Humans; D008297:Male; D010375:Pedigree; D010641:Phenotype
chemical_list: D006680:HLA Antigens