title: Primary fibromyalgia syndrome--subgroups of inflammatory rheumatic nature?
authors.forename: O
authors.initials: O
authors.lastname: Kogstad
mesh_terms: D000328:Adult; D005260:Female; D005356:Fibromyalgia / Q000209:etiology*; D015235:HLA-B Antigens / Q000032:analysis; D015796:HLA-B27 Antigen; D006801:Humans; D008297:Male; D008875:Middle Aged; D011928:Raynaud Disease / Q000150:complications; D012217:Rheumatoid Factor / Q000032:analysis
chemical_list: D015235:HLA-B Antigens; D015796:HLA-B27 Antigen; D012217:Rheumatoid Factor