1. Asherson RA, Block S, Houssiau FA, Hughes GRV, SLE and lymphoma; association with aPL syndrome. J Rheumatol 18:277, 1991
2. Balthus JAM, Boersma JW, Hartman AP, et al., The occurence of malignancies in patients with rheumatoid arthritis treated with cyclophosphamide: a controlled retrospective fellow-up. Ann Rheum Dis 42: 368, 1983
3. Banks PM, Witrak GA, Conn DL, Lymphoid neoplasia developing after connective tissue disease. Mayo Clin Proc 54: 104, 1979
4. Beaman M, Adu D, Howie AJ, McConkey B, Michael J, Popert AJ, Rheumatoid arthritis and IgA nephropathy. Br J Rheumatol 26:299, 1987
5. Cash JM, Klippel JH, Rheumatic diseases and cancer. Clin Exp Rheumatol 9:109, 1991