Passamonti F, Rumi E, Arcaini L, Boveri E, Elena C, Pietra D, Boggi S, Astori C, Bernasconi P, Varettoni M, Brusamolino E, Pascutto C, Lazzarino M. Prognostic factors for thrombosis, myelofibrosis, and leukemia in essential thrombocythemia: a study of 605 patients. Haematologica 2008; 93(11):1645-1651; https://doi.org/10.3324/haematol.13346.