Seronegative rheumatoid arthritis: tell it as it is.
Buchanan
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WW
Singal
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DP
D001172:Arthritis, Rheumatoid / Q000097:blood / Q000145:classification / Q000453:epidemiology / Q000235:genetics / Q000276:immunology; D004198:Disease Susceptibility / Q000276:immunology; D020022:Genetic Predisposition to Disease; D006680:HLA Antigens / Q000032:analysis* / Q000235:genetics; D015804:HLA-DR4 Antigen / Q000032:analysis / Q000235:genetics; D006801:Humans; D015995:Prevalence; D012217:Rheumatoid Factor / Q000097:blood*
D006680:HLA Antigens; D015804:HLA-DR4 Antigen; D012217:Rheumatoid Factor