title: HLA B27 and rheumatoid arthritis in northern Sweden.
authors.forename: S
authors.initials: S
authors.lastname: Rantapää Dahlqvist
mesh_terms: D000328:Adult; D001172:Arthritis, Rheumatoid / Q000235:genetics*; D005260:Female; D005787:Gene Frequency; D015796:HLA-B27 Antigen / Q000235:genetics*; D006801:Humans; D008297:Male; D008875:Middle Aged; D013548:Sweden
chemical_list: D015796:HLA-B27 Antigen