1. Hairy-cell leukaemia with polyarteritis nodosa;Elkon;Lancet,1979
2. Rheumatoid arthritis and hairy-cell leukaemia;Crofts;Lancet,1979
3. Hairy cell leukaemia and vasculitis;Pope;J Rheumatol,1980
4. Polyarteritis nodosa, hairy cell leukemia and splenosis;Goedert;Am J Med,1981
5. Hairy cell leukaemia and polyarteritis nodosa;Pogamp;J Rheumatol,1982