1. HLA-A antigens in systemic lupus erythematosus (SLE);Arnett;Arthr. Rheum,1972
2. Histocompatibility antigens and other genetic markers in patients with systemic lupus erythematosus;Berg-Loonen;Proc. HLA and Disease, Paris,1976
3. Histocompatibility antigens in progressive systemic sclerosis (scleroderma);Birnbaum;J. Rheum,1977
4. Ankylosing spondilitis and HLA-A27;Brewerton;Lancet,1973