HLA-B27, rheumatoid factor and spondyloarthritis.
Calin
A
A
D001168:Arthritis / Q000276:immunology*; D015796:HLA-B27 Antigen / Q000032:analysis*; D006801:Humans; D012217:Rheumatoid Factor / Q000032:analysis*; D013122:Spinal Diseases / Q000276:immunology*
D015796:HLA-B27 Antigen; D012217:Rheumatoid Factor