title: HLA B27 antigens in patients with chronic arthralgia.
authors: R
authors: R
authors: Luukkainen
mesh_terms: D000328:Adult; D001170:Arthritis, Infectious / Q000150:complications; D002908:Chronic Disease; D005260:Female; D015235:HLA-B Antigens / Q000032:analysis*; D015796:HLA-B27 Antigen; D006801:Humans; D007596:Joints / Q000276:immunology*; D008297:Male; D008875:Middle Aged; D010146:Pain / Q000209:etiology / Q000276:immunology*
chemical_list: D015235:HLA-B Antigens; D015796:HLA-B27 Antigen