enrolled in a prospective observational study Acute leukemia in polycythemia vera: an analysis of 1638 patients

doi:10.1182/blood-2004-09-3426Prepublished online December 7, 2004;2005 105: 2664-2670€€€€Enrico Maria Pogliani, Maria Luigia Randi, Ana Villegas, Gianni Tognoni and Tiziano BarbuiLuigi Gugliotta, Raffaele Landolfi, Jack Kutti, Heinz Gisslinger, Raphael Marilus, Carlo Patrono, Guido Finazzi, Vanesa Caruso, Roberto Marchioli, Giovanni Capnist, Teodoro Chisesi, Carlo Finelli,€