title: [Incidence of HLA antigens in progressive seronegative arthritis].
mesh_terms: D000328:Adult; D000368:Aged; D001172:Arthritis, Rheumatoid / Q000276:immunology*; D005260:Female; D006680:HLA Antigens / Q000032:analysis*; D006801:Humans; D008297:Male; D008875:Middle Aged; D012217:Rheumatoid Factor / Q000032:analysis*
chemical_list: D006680:HLA Antigens; D012217:Rheumatoid Factor
vernacular_title: K výskytu HLA antigénov pri seronegativnej progresívnej artritíde.