6Gruppo Italiano Studio Policitemia.Polycythemia Vera:The Natural History of 1213 Patients Followed for 20 Years.Annals of Internal Medicine.November,1995,9(123):657~663.
7Berk PD,Goldberg JD,Silverstein MN,et al.Increased incidence of acute leukemia in polycythemia vera associated with chlorambucil therapy.The New England Journal of Medicine,1981,8(304):441~447.
8Berk PD,Goldberg JD,Donovan PB,et al.Therapeutic recommendations in polycythemia vera based on Polycythemia Vera Study Group protocols.Semin Hematol,1986,23:132~143.
9Najean Y,Dresch C,Rain JD.The very-long-term course of polycythemia:a complement to to the previously published data of the Polycythemia Vera Study Group.Br J Haematol,1994,86:233~235.
10Tartaglia AP,Goldberg JD,Berk PD,et al.Adverse effects of antiaggregating platelet therapy in the treatment of polycythemia vera.Semin Hematol,1986,23:172~176.