1. Prevalence of familial occurrence in patients with rheumatoid arthritis;Wolfe;Br. J. Rheumatol.,1988
2. Association of rheumatoid arthritis with HLA in three South African populations–whites, blacks and a population of mixed ancestry;Martell;S. Afr. Med. J.,1989
3. Antigens of HLA-DR locus in rheumatoid arthritis;Jajic;Br. J. Rheumatol.,1988
4. Is there a need to reclassify adult rheumatoid arthritis?;Buchanan;Br. J. Rheumatol.,1990
5. Experimental models in rheumatoid disease;Pearson;Arthritis Rheum.,1964